Thank you for choosing ATOTO
As an innovative brand with a decade of dedicated expertise in automotive electronics, ATOTO upholds the core philosophy of "Different. Better. Trusted". We seamlessly integrate professional audio-visual technology and user-friendly interactive features to elevate every journey with refreshing experiences.
● Different – We deliver products that stand apart through thoughtful design, innovation, and user‑oriented features.
● Better – We integrate professional audio‑visual technology with intuitive interaction to elevate every journey with superior experiences at an accessible price.
● Trusted – Endorsed by millions of users worldwide, ATOTO has earned a reputation for reliable products and responsive service you can count on.
This philosophy guides everything we do—from long‑term R&D investment, to continuous product improvement, to prompt customer support. With ATOTO, you can always expect something different, something better, and above all, something trusted.
Copyright Statement
The copyright and related intellectual property rights of these manuals (including electronic and printed versions) are exclusively owned by ATOTO. Without explicit written authorization from ATOTO, no organization or individual may use the content in any form (including but not limited to copying, distributing, adapting, translating, mirroring, or reposting) for commercial purposes or provide it to third parties.
FCC Compliance Statement
The FCC Compliance Statement is an official declaration by ATOTO to users indicating that the product complies with the radio frequency interference and electromagnetic compatibility (EMC) regulations of the U.S. Federal Communications Commission (FCC). The specific statement is as follows:
This device strictly complies with all provisions of Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1.This device must not cause harmful interference;
2.This device must accept any interference received, including interference that may cause undesired operation.
Contact ATOTO Customer Support
If you encounter any issues during installation or use, our support team is ready to assist.
Email: support@atotoglobal.com
Compatible Models
For SKUs below:
Floating Display Car Head Unit Single-DIN: V10G110OC、V10G110POC、V10G125OC、V10G129OC、V10G129POC and V10G141OC
Important Information
About this Manual
This installation manual is intended to guide you through the basic installation process of your ATOTO product. If you would like to explore more detailed feature operations and settings, please refer to the “Features” section, as shown in the image below.
In addition to installation guides and feature tutorials, we also provide access to FAQs, Extended Warranty, Subscription Services, Firmware Upgrades, and App Downloads — all designed to enhance your overall product experience. Below is a quick overview of each section’s functionality:
App Download
Can’t find certain apps on Google Play? Use this section to download our exclusive FindApps installer. It provides access to a selection of curated apps compatible with your ATOTO Android head unit or portable Android product, especially for users who experience Play Store limitations. Please note that the availability of specific apps may vary depending on your product model and system version—actual results may differ.
Installation Warnings
CERTIFIED PROFESSIONAL INSTALLATION
Installation or service performed by individuals without proper training or experience in consumer electronics and automotive accessories may pose serious risks, including electric shock, injury, or other hazards. If you are unfamiliar with car electronics or lack installation experience, we strongly recommend seeking professional assistance to avoid potential injury or damage during installation.
Please note that installation procedures may vary depending on the make and model of your vehicle. Adjustments should be made based on your specific vehicle structure and dashboard configuration.
DISCONNECT THE BATTERY BEFORE INSTALLATION
To prevent electrical shorts, always disconnect the vehicle's NEGATIVE (-) battery terminal before beginning installation. Failure to do so may lead to electric shock, fire, or damage to the product and surrounding property.
DO NOT DISASSEMBLE OR MODIFY THE PRODUCT
Attempting to disassemble or alter the product may cause fire, electric shock, or result in an accident.
USE ONLY FUSES WITH THE SPECIFIED RATING
Replacing fuses with incorrect ratings may cause fire or result in serious property damage.
PARKING BRAKE WIRING MUST BE INSTALLED CORRECTLY
Improper installation may allow video playback while the vehicle is in motion, potentially distracting the driver and increasing the risk of a serious accident. This can lead to severe injury to the driver and passengers.
Installation Styles
ATOTO V10 Floating Display Android head units with FlexView Pro display are available in 3 different installation styles. Each style has unique features, allowing you to choose the one that best suits your vehicle's dashboard layout, look, and usability. Note: The example shown here uses the 10.1-inch Floating Display Android Head Unit model from the V10 Series. The installation style is the same for other screen sizes in the V10 series.
Available Installation Styles:
1. FlexView Pro SAH10DT1 – 10.1" Adjustable Floating Display with Fit Flexibility
The SAH10DT1 is part of ATOTO’s FlexView Pro series—our next-generation single-DIN installation style featuring a 10.1-inch high-definition touchscreen that floats elegantly above your dashboard. It delivers an immersive 10.1" display experience with broad vehicle compatibility and unmatched adjustability—ideal for users who demand both visual impact and install flexibility.
● Unlike flush-mounted systems, this display is elevated and extends outward from a single- or double-DIN opening, creating a sleek, Tesla-style visual impact while preserving OEM adaptability.
● 9-way adjustment (depth +18 mm, up/down 27 mm, left/right 24 mm, swivel ±30°, tilt ±10°°) to clear vents/hazard/shifters; the screen can be positioned during installation to avoid vents, hazard buttons, or shifters—delivering optimal viewing angle without compromising dashboard access. Once configured, the screen locks securely into place for long-term stability.
📌 Notes:
● Requires vehicle-specific dash kit, wiring harness, and (in some cases) data interface for proper installation.
● Screen position is fixed during installation and not intended for frequent adjustment.
2.FlexView Pro SAH10DT2 – 10.1" Key-Free Floating Display with 9-Way Smart Adjustment
The SAH10DT2 pushes ATOTO’s FlexView Pro concept even further by eliminating all panel keys—physical and touch—so your 10.1-inch HD touchscreen stands front-and-center with zero distractions.
● 10.1" bezel-less HD touchscreen – 100 % UI control, zero panel buttons，Every command is handled through the on-screen UI
● 9-way lockable adjustment (depth +18 mm, up/down 27 mm, left/right 24 mm, swivel ±30°, tilt ±10°). During installation you can fine-tune its position to clear vents, hazard buttons, or the shifter, then secure it for rock-solid stability.
● 10.1" Floating Display with 9-way adjustable mount — precision fit for nearly any single- or double-DIN dash; factory-grade finish with a bold, Tesla-style viewing experience.
📌 Notes:
Requirements: vehicle-specific dash kit, wiring harness, and (where applicable) data interface. Screen position is fixed after installation.
3. FlexView Pro SAH10DP2– 10.1" Floating Display with Premium Physical Keys & 9-Way Smart Adjustment
SAH10DP2 pairs ATOTO’s 10.1-inch HD touchscreen with a refined row of back-lit physical buttons, giving you instant, glove-friendly access to volume, track skip, and home functions—no need to hunt through on-screen menus while driving.
● 10.1" HD capacitive touchscreen + tactile, back-lit control keys
● 9-way adjustment system (depth +18 mm, up/down 27 mm, left/right 24 mm, swivel ±30°, tilt ±10°). Fine-tune it during installation to clear vents or dash controls, then secure for rock-solid stability.
● 10.1" Floating Display with 9-way adjustable mount — precision fit for nearly any single- or double-DIN dash; factory-grade finish with a bold, Tesla-style viewing experience.
📌 Notes:
Requirements: vehicle-specific dash kit, wiring harness, and (where applicable) data interface. Screen position and accessory choice are fixed after installation.
What Comes in the Box
1 x 16P Male Power Cable (16-Pin Wire Harness)
1 x 4-in-1 antenna
1 x HN9-RCA Cable
1 x 6Pin Male Dual USB Cable
1 x 4-Pin Male DVR Storgae USB Cable
1 x HN9-SIM Card Cable
1 x HN9-Male KTV Function Cable
1 x SIM Data Card
1 x Single-DIN Sleeve 1
1 x Single-DIN Sleeve 1
2 x Universal Mounting Brackets
1 x Single-DIN Storage Box
2 x Removal Keys
Mounting Screws
Power Cable for European Region
Online Resources Quick Guide
Product Care Online Support
Unit Installation
1. Front Panel Appearance
1.1 For Front Panels Featuring an HD Touchscreen (for V10G110OC)
1&2: Built-in Mics
Ensure clearer voice pickup for hands-free calls, voice commands, and voice assistant interaction
3: SIM Card Slot
Insert a 4G SIM card to enjoy always-on cellular connectivity
4: SD Card Slot
Insert an SD card to enjoy expandable local storage for offline music and video playback. (Note: Supports SD cards up to 512GB Storage)
5: USB Port
Multi-purpose port for fast media access, or connecting accessories such as USB drives, external storage, and mobile devices.
1.2 For Front Panels Featuring Physical Keys (for V10G110POC)
1：Voice Command
2：Return to Previous Menu
3：Home Screen
4：Previous Track (Radio or Media Playback)
5：Mute / Long Press to Power Off
6：Next Track (Radio or Media Playback)
7：Answer Call
8：End Call
9：Navigation Application
10: Built-in Microphone
11: Built-in Microphone
1.3 For Front Panels Featuring Physical Keys (for V10G129POC)
1：Voice Command
2：Return to Previous Menu
3：Home Screen
4：Previous Track (Radio or Media Playback)
5：Mute / Long Press to Power Off
6：Next Track (Radio or Media Playback)
7：Answer Call
8：End Call
9：Navigation Application
10: Built-in Microphone
11: Built-in Microphone
1.4 For Front Panels Featuring an HD Touchscreen (for V10G125E, X10G129E, and X10G141E)
1. MIC (Buil-in Microphone): Built-in microphone for voice calls and voice command input.
2. RST (Reset Hole): Use a paperclip to press gently for a forced system restart when frozen.
2. Before Installation
2.1 Precatious
● Do not install this unit in vehicles without an ACC (accessory) position:
Without an ACC circuit, the display may remain powered even after the ignition is turned off, which can drain the vehicle battery.
● Ensure all ground wires are connected to a common grounding point:
Proper grounding is essential for system stability and safety.
● Avoid trapping wires under screws or moving parts:
Secure all cables carefully to prevent pinching or damage—especially near seat rails or adjustable components.
● Always switch off the ignition before making any wiring connections:
This prevents potential short circuits or damage to the electrical system.
● Connect the yellow (constant power) and red (ACC power) wires only after all other connections are completed:
This reduces the risk of accidental power surge or misconnection.
● Insulate all unused or exposed wire ends with electrical tape:
Leaving wires uninsulated may cause short circuits or safety hazards.
● Power lead (yellow wire) warning:
If connecting this unit alongside other stereo components, ensure the car’s circuit amperage rating exceeds the total amperage required by all connected devices. Failure to do so may overload the circuit.
2.2 Extra Accessories for Installing a Universal Fit Headunit
● If the vehicle you are going to install a head unit on already has an aftermarket universal fit head unit, the installation will be very straightforward, just remove the previous power cable of a head unit and replace it with a new one.
● If this is the first time to install an head unit for your current vehicle, additional third-party accessories are often required to ensure proper integration with your vehicle. Below are the most commonly needed components:
1. Mounting Dash Kit / Fascia Fitting Adapter
Fills the gap between the new head unit and the vehicle’s dashboard. Required to achieve a clean and secure fit. Dash kit models vary by vehicle make and model.
2. Wiring Harness / Stalk Connector
Acts as a bridge between your vehicle's factory wiring plug and the aftermarket head unit. It simplifies connection without cutting the original wires.
3. Antenna Adapter
Some vehicles use different antenna connectors compared to the standard aftermarket type. An adapter may be needed to connect the factory antenna to the new unit.
4. Data Interface / CANBUS Decoder
For vehicles (typically 2005 and newer) that might use digital networks to manage electrical systems. This interface enables functions such as head unit power control, steering wheel audio button retention, accessory (ACC) power, and more.
5. Amplifier Interface Harness / Amp Adapter
If your vehicle is equipped with a factory amplifier, a specific amplifier adapter may be required.
6. Backup Camera Adapter
Required if you wish to retain your factory reverse camera and connect it to the new head unit.
7. USB Adapter Harness
Used to retain and connect the vehicle’s original USB port(s) to the aftermarket head unit.
Notice: Please note that not all of these accessories are required for every vehicle. The exact parts needed will depend on your vehicle’s make, model, and installation setup.
If you’re unsure about selecting or purchasing the appropriate wiring harness or dash kits, our support team is here to help. Feel free to reach out to us at: support@atotoglobal.com.
3.Unit Installation
Part 1: Applicable Models
This installation guide applies to our head unit models that adopt the FlexViewPro mounting style, such as X10G110E and other compatible models.
Part 2: Optional Accessories
DIN Pocket
Movable Mounting Brackets
DIN Sleeve 1
DIN Sleeve 2
Pan Head Machine Screws
Black Pan Head Tapping Screws
Small Pan Head Self-Tapping Screws
Large Pan Head Self-Tapping Screw
Removal Keys
Part 3: Important Notes before Installation
1. Check for Potential Obstruction:
To avoid blocking important areas of your vehicle’s original dashboard (e.g., buttons, vents), we recommend measuring and verifying the screen’s physical dimensions before installation.
2. Before installation, please ensure that Sleeve 1, Sleeve 2 and the main unit are in a separated state.
If either sleeve has been accidentally pushed in and stuck on the main unit, please use the removal keys to take it out. For detailed instructions, please refer to the installation guide or video on our Eproductcare website, or contact our support team for assistance.
3. Vehicle Compatibility Notice:
This installation guide is intended as a general reference for vehicles compatible with universal aftermarket head units. Due to variations in vehicle dashboards, wiring layouts, and structural designs, the actual installation process may differ depending on your specific car model. Please adapt accordingly or consult a professional installer if needed.
Part 4: Single DIN Opening Installation
This part explains the installation if your vehicle has a single DIN opening (2" x 7"((approximately 50.8 x 177.8 mm)).
1. Remove the trim plate from the front panel. Use a screwdriver to pry open the trim plate.
2. Secure the mounting Sleeve 2 into the dash opening. Bend the tabs on the mounting sleeve to lock the sleeve into place.
3. Pre-arrange components that require designated placement inside the vehicle in advance to avoid insufficient length or signal interface issues (including but not limited to the Wi-Fi antenna and the rear camera cable)
4. Insert DIN Sleeve 1 fully into DIN Sleeve 2 until it is securely in place.
5. Replace or reinstall the trim frame of the vehicle dashboard.
6. Complete all necessary wiring connections, including but not limited to power, speaker, and steering wheel control wiring.
(For detailed wiring instructions, please check the “Wiring Connection” section under “Installation” for your specific product model.)
7. Insert the SIM card, SD card, or other required modules into the head unit before installation if needed, as these components may become inaccessible afterward.
8. Insert the wired head unit into the dashboard opening.
9. Secure the front of the case with black pan head tapping screws.
10. Installation Complete
Part 5: Double DIN Opening Installation
This part explains the installation if your vehicle has a double DIN opening (4" x 7"((approximately 101.6 x 177.8 mm)).
1. Remove the trim plate from the front panel. Use a screwdriver to pry open the trim plate.
2. Fix DIN Sleeve 1 and the DIN Pocket with Mounting Brackets and Pan Head Machine Screws.
You may adjust the angle or position of the mounting brackets based on your dashboard space and preferred screen distance.
Note: The mounting brackets are designed to support flexible installation angles to accommodate different vehicle layouts and viewing preferences. In some vehicle installations, they may not even be necessary.
3. Pre-arrange components that require designated placement inside the vehicle in advance to avoid insufficient lengthor signal interface (including but not limited to the Wi-Fi antenna and the rear camera cable).
4. Install the assembled from the previous step into the dashboard opening.
Note: The position of the mounting brackets can be adjusted to better fit your specific vehicle.
5. Complete all necessary wiring connections, including but not limited to power, speaker, and steering wheel control wiring.
(For detailed wiring instructions, please scan the QR code in the Online Manual Quick Guide and go to the “Connection” section under “Installation” for your specific product model.)
6. Insert the SIM card, SD card, or other required modules into the head unit before installation if needed, as these components may become inaccessible afterward.
7. Replace or reinstall the trim frame of the vehicle dashboard.
8. Insert the wired head unit into the dashboard opening.
9. Secure the front of the case with the black pan head tapping screws.
10. Installation Complete
Part 6: Adjust Positioning of the Display
When attaching the display to the unit, you can adjust the display angle so that your view is clear and it does not impair your driving.
1. Adjust the Display Height
①Remove the decorative caps (a) at both left and right sides. Then remove the 2 screws (b) for height adjustment (on both sides).
②Slide the joint bracket up or down to determine the best height position. Tighten the 2 screws (b) (on both sides) firmly to fix the height. There are 7 gear levels available for adiustment.
2. Tilt the Display Up and Down
①Remove the 2 screws (c) for angle adjustment (on both sides).
②Adjust the display angle to determine the best viewing angle. There are max 10° angles (both up and down) available for adjustment.
3. Move Left and Right
Remove the 2 screws (d) for horizontal position adjustment (on both up and down sides).
Slide the joint bracket to the left or right to determine the best position.Tighten the 2 screws (on both sides) firmly to fix the position. There are 5 positions available for adjustment.
4.Tilt the Display Left and Right
Remove the 3 screws (e) (only on the up side) for angle adjustment.
Adjust the display angle to determine the best viewing angle. There are max 30° angles (both left and right) available for adjustment.
5. Slide the Screen Forward for a Closer View
Adjust the depth between the display module and the main unit to determine the best screwing position,and tighten the screws (f) to complete the installation of the display. Slide the joint bracket to determine the best screwing position.There are 2 gear levels available for adjustment.
Note：
①Please use the mounting brackets included in the package according to your installation situation. The fixing position needs to be adjusted according to the actual installation situation.
②During installation and use, if you encounter any problems or need help, please get in touch with our support team.
Wiring Connection Instructions
This guide explains the functions and recommended connection points for each wire and interface on your ATOTO head unit. Please ensure all wiring is done carefully, and consult a professional installer if needed.
Important Note Before Wiring:
*Unused input/output wires need to be insulated with tape, heat shrink, or crimp connectors.
*Never use wire nuts.
*Always replace the faulty fuse with the same type and rating (15A).
*Dimmer input wire must be connected to the parking light for night detection.
*Reverse Input wire must be connected to the reverse light wire for automatic rear camera trigger when the gear is changed to reverse.
*Consult a professional installer or our support team(support@atotoglobal.com)for a correct third-party SWC adapter for your specific vehicle.
Part 1: Main Power and Signal Harness Introduction(16-pin Connector)
The 15A Power Port is equipped with 16-pin connectors. The connection details are as follows:
PIN 1: Front Left +
Wire Color: White
Connect to positive terminal of the front left speaker.
PIN 2: Front Left -
Wire Color: White/Black
Connect to negative terminal of the front left speaker.
PIN 3: Front Right +
Wire Color: Grey
Connect to positive terminal of the front right speaker.
PIN 4: Front Right -
Wire Color: Grey/Black
Connect to negative terminal of the front right speaker.
PIN 5: Steering Wheel Key +
Wire Color: Orange/Black
Analog Control Line. Connect either PIN 14 (SWC#+) or PIN 5 (SWC+) to the vehicle’s “KEY 1 / SWC 1 / KEY-A” wire, or to the Tip contact of an aftermarket interface TRRS plug.
⚠ Although labeled differently, PIN 2 and PIN 12 serve the same function. The “#” symbol is used for identification only. Please connect only one of them, using both at the same time may cause improper operation.
Note: For detailed wiring guidance, please refer to the “Steering Wheel Control Wiring Guide” below.
PIN 6: Rear Camera +
Wire Color: Pink
Connect to reverse gear signal wire (provides 12V when vehicle is in reverse). Triggers automatic switch to rear camera view.
PIN 7: Accessory/Ignition +
Wire Color: Red
Connect to ACC (accessory) power line. Provides switched 12V power when ignition key is turned to ACC or ON. Controls power on/off of the head unit.
PIN 8: Chassis Ground/GND -
Wire Color: Black
Connect to the main ground wire on the original vehicle power supply. If the original vehicle connector does not have a main ground wire, connect to a clean, bare metal point on the vehicle chassis.
PIN 9: Rear Right -
Wire Color: Purple/Black
Connect to negative terminal of the rear right speaker.
PIN 10: Rear Right +
Wire Color: Purple
Connect to positive terminal of the rear right speaker.
PIN 11: Rear Left +
Wire Color: Green
Connect to positive terminal of the rear left speaker.
PIN 12: Rear Left -
Wire Color: Green/Black
Connect to negative terminal of the rear left speaker.
PIN 13: Power Antenna +
Wire Color: Blue
Connect to car antenna control wire for power control.
PIN 14: Steering Wheel Key# / SWC Key 2 (+)
Wire Color: Brown/Black
Analog Control Line. Connect either PIN 5 (SWC#+) or PIN 14 (SWC+) to the vehicle’s “KEY 1 / SWC 1 / KEY-A” wire, or to the Tip contact of an aftermarket interface TRRS plug.
⚠ Although labeled differently, PIN 2 and PIN 12 serve the same function. The “#” symbol is used for identification only. Please connect only one of them, using both at the same time may cause improper operation.
Note: For detailed wiring guidance, please refer to the “Steering Wheel Control Wiring Guide” below.
PIN 15:Dimmer/Ilumination +
Wire Color: Orange
Connect to vehicle's lighting signal wire, enables automatic screen dimming.
PIN 16: Constant/Battery Power +
Wire Color: Yellow
The main power supply for the car stereo. Connect to constant 12V power supply (battery positive terminal) of the vehicle. Maintains memory settings, clock, and stored data even when ignition is off.
Part 2: Main Ports Introduction
Note：The wiring diagram and interface layout are based on the V10G141OC model as a reference. Please locate the corresponding interface positions according to your specific model.
1. Steering Wheel Audio Control
3.5mm SWC Jack (if applicable)
Connect to the steering wheel key control wires using either:SWC Key 1/2 wires (Pin 5 and Pin 14) or 3.5mm jack (do not use both at the same time). Please check the "Sterring Wheel Control Wiring Guide" select for more specific details.
2. Camera and DVR Inputs
Rear DVR Camera Input: Connect to rear camera's video signal wire
Front DVR Camera Input: Connect to front-facing dash cam
Pink Wire (Pin 13): Must receive 12V signal from reverse light to trigger rear view
3. RCA Audio Out / AV Ports
Subwoofer Out (SUB1/SUB2): Connect to subwoofer amplifier
FL, FR, RL, RR: RCA outputs to external amplifiers for each speaker channel
FCAM / RCAM: Front/Rear camera video inputs
L-IN / R-IN: Left and right auxiliary audio input
V-IN: Video input
4. Antenna / GPS / Connectivity Ports
FM-ANT: FM/AM antenna connection for radio reception
GPS/4G/WiFi ANT: GPS/4G/Wi-Fi antenna
USB1/USB2: For DVR storage / external devices(The specific functions may vary depending on the device; please refer to the introduction of the USB function section and the actual supported functions for details.)
HDMI Output: Connect to External Displays and Monitors
SPDIF-OUT: Optical Digital Audio Output
MIC: External Microphone Input
5. POWER 15A Interface
The POWER 15A port is the primary power input for the V10 car stereo. It delivers the necessary power to the unit and ensures stable operation.
Part 3: Wiring Connection Instructions
Module 1: Speaker Wiring
Purpose: Transmits amplified audio signals from the head unit to the vehicle's speakers.
Note：The wiring diagram and interface layout are based on the V10G141OC model as a reference. Please locate the corresponding interface positions according to your specific model.
How to Connect:
1. Connect the Front Left (-) wire to the front left speaker’s negative terminal.
2. Connect the Front Left (+) wire to the front left speaker’s positive terminal.
3. Connect the Front Right (-) wire to the front right speaker’s negative terminal.
4. Connect the Front Right (+) wire to the front right speaker’s positive terminal.
5. Connect the Rear Right (-) wire to the rear right speaker’s negative terminal.
6. Connect the Rear Right (+) wire to the rear right speaker’s positive terminal.
7. Connect the Rear Left (+) wire to the rear left speaker’s positive terminal.
8. Connect the Rear Left (-) wire to the rear left speaker’s negative terminal.
⚠️ Important Notes:
● Ensure proper polarity (+/-) for each speaker to avoid phase issues (e.g., weak bass or echo effect).
● Do not connect any of the speaker wires to chassis ground.
● Unused speaker wires need to be insulated with tape, heat shrink, or crimp connectors to avoid damage to the unit.
Module 2: Power Antenna
Purpose: These signal wires enable accessory components such as the power antenna.
Note：The wiring diagram and interface layout are based on the V10G209OC model as a reference. Please locate the corresponding interface positions according to your specific model.
How to Connect:
1. Connect the Power Antenna (+) wire to the vehicle’s power antenna control wire (if available). This output activates the antenna when the Car Stereo is in use.
⚠️ Important Notes:
● If your vehicle does not have a power antenna, leave the wire unconnected and insulated.
Module 3: Steering Wheel Control Wiring
Upgrading from a factory head unit to an ATOTO car stereo does not mean sacrificing the functionality of your factory steering wheel controls. With the help of aftermarket solutions from companies like Metra, PAC, and Crutchfield, you can retain control over essential functions such as volume, mode, and track selection by installing an interface module to integrate your original steering wheel controls with your new ATOTO headunit.
1. Types of Steering Wheel Control Signals
There are two main types of steering wheel control signals:
● Resistor-Based Analog Signals
● CANBUS-Based Data Signals
For CANBUS-Based Signals:
If your vehicle uses CANBUS-based steering wheel control signals, you will need to purchase a compatible CANBUS data interface. Without this interface, the factory steering wheel controls cannot be retained after replacing your head unit with an aftermarket unit.
For Resistor-Based Analog Signals:
If your vehicle uses resistor-based analog signals, you can either:
● Purchase a steering wheel control interface module.
● Locate the steering wheel control wires in your car’s harness (or wiring harness) and connect them directly to the corresponding steering wheel control wires on the ATOTO power harness.
2. Recommended Resources for Wiring Harnesses or CANBUS Interfaces
Here are some recommended resources to find compatible wiring harnesses or CANBUS interfaces:
● United States/Canada:
Metra Online, Crutchfield, https://pac-audio.com, Amazon, ebay and etc.
● Europe/Australia:
Connects2, Amazon, or eBay
● Japan:
Kanatechs, Rakuten, Amazon and etc.
3.ATOTO Power Harness Steering Wheel Control Wires
The latest ATOTO power harness includes two types of steering wheel control wiring options:
1. 3.5mm Female Jack for SWC
2. Separate Steering Wheel Key Wires
Important: Use only one of these options—either the 3.5mm jack or the steering wheel key wires, not both.
4. Setting Up Steering Wheel Control
4.1 Wiring Methods:
Note：The wiring diagram and interface layout are based on the V10G209OC model as a reference. Please locate the corresponding interface positions according to your specific model.
There are two wiring methods depending on your setup:
Method 1:
If your purchased wiring harness includes a 3.5mm male jack for SWC, simply connect it to the 3.5mm female jack on the ATOTO power harness.
Method 2:
Step 1：If your wiring harness or car harness does not include a 3.5mm male jack but has steering wheel control wires:Connect the positive steering wheel control wires to either the “Steering Wheel Key(+)” or the “Steering Wheel Key #(+)” wire on the ATOTO power harness (sequence does not matter).
Step 2: Connect the steering wheel control ground wire to the black ground wire on the ATOTO power harness.
NOTICE:
● If the interface module requires selecting a head unit type, choose Pioneer.
● The “Steering Wheel Key(+)” and “Steering Wheel Key #(+)” wires serve the same function and are interchangeable.
4.2 Programming the Steering Wheel Control Buttons
Once the wiring is complete (via either the 3.5mm jack or the steering wheel control wires), program the steering wheel control buttons through the head unit's settings. Follow the step-by-step instructions provided in the ATOTO user manual to assign functions to each button(For detailed instructions on steering wheel control learning, navigate to Features > Steering Wheel Control (SWC) Learning Configuration.)
5. Troubleshooting Unrecognized Buttons
If some buttons cannot be programmed or recognized:
1. Verify that the steering wheel interface adapter/module is functioning properly and not defective.
2. If the resistance difference between certain buttons is too small for the head unit to recognize, try adding a resistor in series with one of the two steering wheel key wires. This may resolve the issue.
⚠️ Safety Reminder
We strongly recommend completing SWC wiring under the guidance of a professional installer, especially when dealing with unfamiliar vehicle wiring systems.
Module 4: RCA Audio & Video Connections
Note：The wiring diagram and interface layout are based on the V10G141OC model as a reference. Please locate the corresponding interface positions according to your specific model.
1.Audio Outputs:
1)SUBR Output(Right Subwoofer Output) : Connect to the right channel of your active subwoofer amplifier.
2)SUBL Output(Left Subwoofer Output) : Connect to the left channel of your active subwoofer amplifier.
3)Rear Right Audio Out / Rear Left Audio Out / Front Right Audio Out / Front Left Audio Out: Use RCA cables to connect these outputs to the corresponding channels of an external amplifier for enhanced speaker output.
2.Audio Inputs & Video Input:
Left Channel Aux Audio Input / Right Channel Aux Audio Input: Connect to external audio sources, using RCA-to-3.5mm adapters if needed.
Video Input (V-IN): Connect to an external video player, using an RCA video cable if needed.
3.Front/In-Cabin Front/In-Cabin Rear/Rear Camera Inputs:
Front View Camera Input: Connect to the signal cable of your front-view camera.
In-Cabin Front Camera: Connect to the signal cable of your in-cabin front camera.
In-Cabin Rear Camera: Connect to the signal cable of your in-cabin rear camera.
Rear View Camera: Connect to the signal cable of your rear-view camera. Make sure to also connect the “Rear Camera (+)” trigger wire from the main harness.
Module 5: HDMI & Digital Audio Outputs
Note：The wiring diagram and interface layout are based on the V10G209OC model as a reference. Please locate the corresponding interface positions according to your specific model.
1.HDMI OUT
Purpose: Used to transmit the Android head unit’s audio and video content to external display devices that support HDMI input.
Fuction: The HDMI output port allows the head unit’s audio and video signals to be mirrored to external display devices, such as rear-seat entertainment screens or a passenger display.
2.SPDIF OUT
Function: SPDIF out is a digital audio output format designed to address line audio loss during analog audio transmission and enhance anti-interference capability, thereby improving audio fidelity.
Connection Instruction:
For SPDIF Out: Use an optical fiber cable(not included) to connect this port to an external digital amplifier or audio system that supports SPDIF input.
Module 6: DriveKaraoke (Car Karaoke) Connection
Connection and Pairing
Connect the Wireless Microphone Receiver
Plug the Receiver into the "KTV Receiver Box Input Extension Cable" on your V10 head unit.
Enter Pairing Mode
After powering on the microphone by pressing and holding the power button, you can start pairing.
Press and hold both VOL+ and VOL- buttons for about 8 seconds to enter pairing mode.
The entire LED display will start flashing. Release the buttons once the flashing begins.
⚠️ Important Note:
The microphones are pre-paired at the factory. If pairing is lost (e.g., due to selecting the wrong frequency), follow these steps to re-pair. Note: Pairing must be completed within 30 seconds after power powering on.
Confirm Connection
Check that the RF indicator on the receiver remains solid red, or look for a green microphone icon on the V10 screen—both indicate successful pairing.
Test Microphone Audio
Speak into the microphone. If you hear the sound through the system, the pairing is successful, and the device is ready to use.
Module 7: DVR & USB Connections
Note：The wiring diagram and interface layout are based on the V10G209OC model as a reference. Please locate the corresponding interface positions according to your specific model.
1.DVR Inputs:
Front/In-Cabin DVR Camera Input: Connect to dedicated DVR camera(ATOTO AC-HN0DVL) for continuous front and in-cabin crecording.
Rear Cabin DVR Camera Input: Connect to dedicated DVR camera(ATOTO AC-HN90DV) for continuous rear cabin recording.
Rear DVR Camera Input: Connect to dedicated DVR camera(ATOTO AC-HN90LR) for continuous rear recording.
(Note: These ports are exclusively compatible with ATOTO’s proprietary DVR units: AC-HN0DVL for front and in-cabin, AC-HN90DV for Rear Cabin and ATOTO AC-HN90LR for rear crecording )
2.USB Ports:
USB1 (DVR Storage) : Insert a USB drive to store DVR recordings.
USB2/USB3 (External Storage): Use for connecting additional USB storage devices for media playback, file transfer, or firmware upgrades.
Module 8: Advanced Audio Outputs & Antennas
Note：The wiring diagram and interface layout are based on the V10G141OC model as a reference. Please locate the corresponding interface positions according to your specific model.
1.FM-ANT (Radio Antenna Input) :
Connect your vehicle's radio antenna cable to this port to ensure proper FM/AM signal reception. If the siginal is weak, consider using an amplified antenna.
2. 3-Way Front Stage Outputs
FR-M: Front Right Midrange Speaker Output
FL-M: Front Left Midrange Speaker Output
FR-T: Front Right Tweeter Output
FL-T: Front Left Tweeter Outputs
Connection Instruction: These RCA outputs are designed to be connected to a DSP(digital sound processor) or amplifier that supports three-way audio systems(three-way speaker system).
3. SWC: Steering Wheel Control Port
Connection Instruction: This port is designed to connect the ATOTO AC-44F8 Steering Wheel Control Watch Band (Sold Separately). It provides a convenient steering control solution for vehicles that do not have built-in factory steering wheel buttons.
4.GPS/4G/Wi-Fi Combo Antenna
1)Installation Instruction:
Locate the port on the head unit labeled “GPS/4G/Wi-Fi Combo Antenna Port.” Connect the antenna plug to this port and gently insert it until it is securely seated.
2) Positioning the antenna module:
①Choose a flat and unobstructed surface inside the vehicle, such as the top dashboard near the windshield.
②Clean the surface and peel off the adhesive on the back of the red antenna base.
③Firmly press and mount the antenna in place. Avoid metal obstructions above the antenna to ensure signal strength.
5.MIC Input: External Microphone Input
Function: It is specifically designed to connect to our AC-MIC20 external microphone.
Items to look for before placement:
①Before using the AC-MIC20 external microphone, please ensure that the protective dustproof adhesive film covering the microphone mesh has been removed. Failure to remove this film may result in reduced audio quality during use.
②Do not place the microphone in front of air vents.
③If the vehicle has tweeters placed on sail panel, do NOT locate the microphone on
steering column area.
④The front of the microphone must not be blocked.
⑤Microphone should be firmly attached to mounting location.
⑥Do not cover the grille openings surrounding the microphone.
⑦To avoid excessive wind noise, do not place near the sunroof opening.
The location of the microphone can vary from different vehicles due to layout, interior materials, etc.
The Red shaded areas are the recommended locations for best microphone performance.
Module 9: Power & Ignition Wiring
Purpose: Supplies power to the head unit and ensures it turns on/off properly with vehicle ignition.
Note：The wiring diagram and interface layout are based on the V10G209OC model as a reference. Please locate the corresponding interface positions according to your specific model.
How to Connect:
1.Connect the Accessory / Ignition (+) wire to the vehicle's ACC (Ignition) power source, which supplies power when the key is turned to ACC or ON position.
2.Connect the Chassis Ground (-) wire to the main ground wire on the original vehicle power supply. If the original vehicle connector does not have a main ground wire, connect to a clean, bare metal point on the vehicle chassis. Poor grounding may lead to noise or instability.
3.Connect the Constant / Battery Power (+) wire to a constant 12V battery source in the vehicle. This ensures system settings and memory are retained when ignition is off.
Note: It is recommended to follow the sequence of connecting the ground wire first, followed by the constant power wire, and finally the ignition wire. This minimizes the risk of short circuits or accidental power-related issues during the installation process.
Module 10: Supplying Power to the Head Unit
Power 15A Port: For supplying power to the head unit
Connection Instruction: Use the Android head unit’s included 20-pin power cable to connect the Android head unit via the "POWER 15A port" to the corresponding original vehicle’s B+ battery positive wire. (Generally, a dedicated adapter is used for installation without the need to cut original wires.)
Important Reminder:
1.Complete all wiring connections (speakers, antennas, cameras, USB, etc.) before plugging in the POWER 15A connector to the vehicle. This helps prevent short circuits, protects internal components, and ensures a safe system startup.
2. Before securing the head unit into the dashboard opening, ensure that all basic functions are working properly. This includes testing the speakers (audio output), screen display, camera feeds, USB connections, and other essential features. Confirming functionality before final installation helps avoid the need for disassembly and reinstallation if any issues arise.