1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your AUCARAUTO 14.4 Inch Touch Screen Android 13 Car Radio Head Unit. This unit is designed to enhance your in-car multimedia experience with advanced features like GPS navigation, wireless connectivity, and a large display. Please read this manual thoroughly before use to ensure proper functionality and safety.

Image 1.1: The AUCARAUTO 14.4 Inch Android 13 Car Radio Head Unit integrated into a Chevrolet Colorado dashboard.
2. Safety Information
- Professional Installation Recommended: Due to the complexity of car electronics, professional installation is highly recommended to prevent damage to the unit or your vehicle.
- Driving Safety: Do not operate the unit in a way that distracts you from driving. Always prioritize road safety.
- Power Supply: Ensure the unit is connected to the correct vehicle power supply to avoid electrical damage.
- Temperature: Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
- Cleaning: Use a soft, dry cloth for cleaning the screen. Avoid harsh chemicals.
3. What's in the Box
Upon unpacking, please verify that all components are present:
- AUCARAUTO 14.4 Inch Android 13 Head Unit
- Necessary connection cables
4. Compatibility
This head unit is specifically designed for:
- Vehicle Model: Chevrolet Colorado
- Model Years: 2014, 2015, 2016, 2017, 2018
- OEM Screen Requirement: Only compatible with vehicles originally equipped with a 7-inch OEM screen.
Note: Not compatible with other model years or OEM screen sizes (e.g., 4-inch or 8-inch screens). Please confirm your vehicle's specifications before installation.
5. Setup and Installation
The AUCARAUTO head unit features a fully plug-and-play design, eliminating the need for cutting or splicing wires. It is designed to be fully compatible with your vehicle's OEM intouch system.
5.1 Pre-Installation Check
Before beginning installation, ensure your vehicle's model, year of manufacture, and the shape of the center console match the compatibility requirements. It is recommended to disconnect the vehicle's battery before starting any electrical work.
5.2 Installation Process
The unit is designed for direct replacement of your existing head unit. No need to connect steering wheel control wires or debug AUX. An installation manual is typically included with the product, and online technical support is available if needed. A demo video showcasing the installation process may also be available online.

Image 5.1: Visual comparison of the vehicle's dashboard before and after the installation of the new head unit.
6. Operating Instructions
The head unit operates on Android 13 OS, providing a user-friendly interface similar to a tablet. All functions are accessible via the 14.4-inch capacitive multi-touch screen.
6.1 Basic Navigation and Interface
The main screen displays various applications and widgets. Swipe left or right to access additional screens. Tap on icons to launch applications such as Radio, Video, EQ, and Settings.

Image 6.1: Front view of the head unit, highlighting the physical left and right control buttons for quick access to functions.
6.2 Audio and Radio Functions
- Radio: Access AM/FM radio with RDS functionality. Tune to stations by tapping on the frequency display or using the scan function.
- Equalizer (EQ): Adjust audio settings for optimal sound quality. The unit features a 9-band equalizer, bass boost, surround sound, and bass filter options.
- Audio Output: The unit provides 4*45W audio output and includes a 7850 amplifier.
6.3 Connectivity
- Bluetooth: Connect your smartphone for hands-free phone calls and synchronize your contact list.
- Wi-Fi: Built-in Wi-Fi allows connection to a mobile hotspot or home network for online features.
- 4G SIM Card: Support for a 4G SIM card provides independent internet access.
- Wireless Carplay & Android Auto: Seamlessly integrate your iPhone or Android phone for navigation, music, and other apps.
- USB Port: Use the USB port for media playback or device charging.
6.4 Navigation
The unit includes built-in GPS with offline maps and supports online mapping services. Access navigation through the dedicated app icon.
6.5 System Settings
Access the 'Settings' menu to configure various aspects of the head unit, including network settings, display options, sound preferences, general system settings, and original car settings.
6.6 Special Features Integration
- OEM 360 Camera and Reverse Camera: Supports integration with your vehicle's existing camera systems.
- BOSE Premium Sound System: Compatible with BOSE Premium Sound Systems.
- Steering Wheel Control: Retains and supports existing steering wheel controls.
- OnStar System: Keeps the factory OnStar system and displays its information on the screen.
- Sirius XM Radio: Retains Sirius XM radio functionality (online).
6.7 Demonstration Video
Video 6.7.1: A demonstration of the head unit's user interface, showcasing radio tuning, equalizer settings, system settings navigation, and video playback. This video provides a visual guide to the unit's various functions and responsiveness.
7. Maintenance
- Screen Cleaning: Use a soft, lint-free cloth to gently wipe the screen. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Avoid abrasive materials or harsh chemicals.
- Software Updates: Periodically check for software updates to ensure optimal performance and access to new features. Updates can typically be found through the system settings or the manufacturer's website.
- Environmental Care: Protect the unit from extreme temperatures, direct sunlight, and excessive moisture.
8. Troubleshooting
This section addresses common issues you might encounter. For more complex problems, please contact customer support.
- Unit Does Not Power On:
Possible Causes: Incorrect wiring, blown fuse, vehicle battery issue.
Solution: Check all power connections, inspect vehicle fuses, ensure vehicle battery is charged. Professional inspection may be required. - No Sound:
Possible Causes: Volume too low, incorrect audio source selected, wiring issue.
Solution: Increase volume, verify correct audio source (e.g., Radio, Bluetooth, USB), check speaker connections. - Touch Screen Unresponsive:
Possible Causes: Software glitch, screen damage.
Solution: Restart the unit. If the issue persists, contact support. - GPS Not Locating:
Possible Causes: Poor satellite signal, GPS antenna not connected, software issue.
Solution: Ensure the vehicle is in an open area, check GPS antenna connection, verify GPS software settings. - Bluetooth Connection Issues:
Possible Causes: Device not in pairing mode, interference, software issue.
Solution: Ensure your phone's Bluetooth is on and discoverable. Restart both the head unit and your phone.
9. Specifications
| Brand | AUCARAUTO |
| Model Name | 838B |
| Operating System | Android 13 |
| Processor | Snapdragon 665AIE (8 CORES) |
| RAM | 8GB |
| ROM (Internal Storage) | 128GB |
| Screen Size | 14.4 Inches |
| Display Type | Capacitive Multi-Touch LCD |
| Resolution | 1200*1920P |
| Audio Output | 4*45W |
| Radio Chip | NXP6686 |
| Connectivity | Bluetooth, Wi-Fi, 4G SIM Card Support |
| Navigation | Built-in GPS, Supports Online Map |
| OSD Language | English, Russian, French, German, Spanish, Italian, Arabic, Portuguese, Turkish, Thai, Polish |

Image 9.1: Detailed view of the Snapdragon 665 AIE processor, emphasizing its specifications and performance capabilities.
10. Warranty
The AUCARAUTO head unit comes with a 30-day manufacturer warranty. Additionally, we provide 1 year of service. If you are not satisfied with your purchase, a 30-day exchange option is available for our products.
11. Support
For technical assistance, installation guidance, or any other inquiries, please utilize our online tech support. Contact information can typically be found on the product packaging or the manufacturer's official website.