1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Biorunn 9-inch Android Car Stereo. Designed specifically for Peugeot 2008 models from 2019 to 2022, this unit integrates advanced features such as GPS navigation, wireless Car-Play, Android Auto, FM/AM RDS radio, and a Digital Sound Processor (DSP) to enhance your in-car entertainment and connectivity experience. Please read this manual thoroughly before using the product to ensure proper function and safety.
2. Safety Information
- Professional Installation Recommended: Due to the complexity of car electrical systems, 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 a 12V DC power supply with negative grounding. Incorrect voltage can cause damage.
- Avoid Moisture: Do not expose the unit to water or excessive moisture.
- Temperature: Operate the unit within the specified temperature range. Extreme temperatures can affect performance.
- Ventilation: Ensure adequate ventilation around the unit to prevent overheating.
- Cleaning: Use a soft, dry cloth for cleaning. Avoid abrasive cleaners or solvents.
3. Package Contents
Please check that all items are present in the package:
- Biorunn 9-inch Android Car Stereo Unit
- Power Harness (Vehicle-specific)
- GPS Antenna
- 4G Antenna (if applicable)
- USB Cables (x2)
- RCA Cables (Audio/Video Output, Camera Input)
- External Microphone (optional, if included)
- Installation Brackets/Tools (if included)
- User Manual (this document)
4. Product Overview
4.1 Key Features
- Android System: 8-Core processor, 4GB RAM, 64GB ROM for smooth operation.
- Display: 9-inch IPS screen with 1280x720 resolution, capacitive multi-touch.
- Connectivity: Built-in Bluetooth 5.0, 5Ghz WiFi, 4G LTE support (SIM card not included).
- Smartphone Integration: Wireless Car-Play and Android Auto for seamless phone connectivity.
- Audio: Built-in DSP processor for enhanced sound quality.
- Navigation: Integrated GPS with global positioning system.
- Radio: FM/AM radio with RDS support and 18 preset stations.
- Multimedia: Supports various audio (MP3, WMA, AAC, etc.) and video (MPEG-1/2/4, H264, etc.) formats.
- Additional Functions: Split screen, steering wheel control, support for external ADAS DVR, OBD II, and TPMS (accessories not included).
4.2 Front Panel Layout
The front panel features the 9-inch IPS touchscreen display, which serves as the primary interface for all functions. Physical buttons may vary slightly by model but typically include power, volume, and home/back controls integrated into the bezel or as touch-sensitive areas.

Image: Comparison of the car's dashboard before and after installation of the Biorunn Android Car Stereo. The top image shows the new unit fully integrated and displaying the Car-Play interface. The bottom left shows the original car display, and the bottom right shows the new unit installed, ready for use.
5. Setup and Installation
5.1 Pre-Installation Checklist
- Verify all package contents are present.
- Ensure your vehicle is a Peugeot 2008 (2019-2022).
- Disconnect the vehicle's negative battery terminal before starting installation.
- Gather necessary tools (trim removal tools, screwdrivers, wire strippers/crimpers if needed).
5.2 Wiring Diagram
Refer to the detailed wiring diagram below for proper connection of the main harness, antennas, and peripheral devices. Incorrect wiring can cause damage to the unit or vehicle electronics.

Image: A comprehensive wiring diagram illustrating the various connections on the rear of the Biorunn car stereo. It shows inputs for GPS, 5G WiFi, Radio, 4G Antenna, and two USB ports. The main harness details connections for speakers (Front Left/Right, Rear Left/Right), ACC, Battery +12V, Ground, Reverse, Brake CTL, AUTO ANT, and steering wheel control (KEY1, KEY2).
- Power Connections: Connect the main power harness to the vehicle's wiring. Ensure ACC (Accessory), B+ (Constant 12V), and GND (Ground) are correctly matched.
- Speaker Outputs: Connect the speaker wires (FL+, FL-, FR+, FR-, RL+, RL-, RR+, RR-) to your vehicle's speakers.
- Antennas: Connect the GPS antenna, 4G antenna (if applicable), and radio antenna. Position GPS and 4G antennas in a location with clear sky view for optimal signal.
- USB Ports: Connect the provided USB cables for external storage or charging.
- Steering Wheel Control: Connect KEY1 and KEY2 wires to your vehicle's steering wheel control wires. Configuration will be done in the unit's settings.
- Reverse Camera: Connect the reverse camera video input to the "REVERSE" input on the unit and the camera's power to the vehicle's reverse light circuit.
5.3 Initial Power-On and Basic Settings
- After installation, reconnect the vehicle's negative battery terminal.
- Turn on the vehicle ignition. The unit should power on automatically.
- Follow the on-screen prompts for initial setup, including language selection and time zone.
- Connect to a Wi-Fi network to enable internet features and download updates.
- Calibrate steering wheel controls (refer to Section 6.5).
6. Operating Instructions
6.1 Basic Functions
- Power On/Off: The unit typically powers on with the vehicle ignition. A long press on the power button (if available) can turn the screen off or put the unit into standby.
- Volume Control: Adjust volume using the on-screen controls or steering wheel buttons.
- Home Screen: Tap the Home icon to return to the main Android interface.
- App Drawer: Swipe up or tap the app icon to access all installed applications.
6.2 Wireless Car-Play & Android Auto
The unit supports both wireless Car-Play for Apple iPhones and wireless Android Auto for Android smartphones, allowing you to access phone features safely while driving.

Image: The Biorunn car stereo screen showing the Car-Play interface. Icons for Phone, Music, Spotify, Calendar, and other applications are visible, demonstrating smartphone integration.
- Ensure Bluetooth and Wi-Fi are enabled on your smartphone.
- On the car stereo, open the "Car-Play" or "Android Auto" application.
- Follow the on-screen instructions to pair your phone via Bluetooth. Once paired, the system will automatically establish a Wi-Fi connection for wireless Car-Play/Android Auto.
- You can now use navigation, make calls, send messages, and listen to music directly from the unit's display.
6.3 GPS Navigation
The unit comes with a built-in GPS module for accurate navigation. Pre-installed maps or online map applications can be used.

Image: The Biorunn car stereo screen showing a GPS navigation map. The map displays a route, current vehicle speed (50), and an estimated arrival time (8:46).
- Ensure the GPS antenna is properly installed and has a clear view of the sky.
- Open the "Navigation" or preferred map application (e.g., Google Maps, Waze).
- Enter your destination using the on-screen keyboard or voice commands.
- Follow the spoken and visual directions provided by the navigation system.
6.4 FM/AM RDS Radio
The integrated radio tuner supports FM and AM bands with RDS (Radio Data System) for displaying station information.

Image: The Biorunn car stereo screen showing the FM radio interface. It displays the current frequency (108.00 MHz), options for automatic and manual search, and a list of preset stations (e.g., 87.50 MHz, 98.10 MHz, 106.10 MHz).
- Open the "Radio" application from the main menu.
- Select either FM or AM band.
- Use the "Search" function for automatic station scanning or manually tune to a frequency.
- Press and hold a preset button to save the current station.
6.5 Bluetooth Functionality
Bluetooth 5.0 allows for hands-free calling, phonebook synchronization, and audio streaming (A2DP).

Image: The Biorunn car stereo screen showing the Bluetooth interface. It features a dial pad for making calls, along with options to access the phonebook and stream Bluetooth music. A hand holding a smartphone is depicted next to the screen, indicating connectivity.
- Open the "Bluetooth" application.
- Enable Bluetooth on your smartphone and search for available devices.
- Select the car stereo's Bluetooth name (e.g., "Biorunn Car BT") from your phone's list and pair. Enter the PIN if prompted (usually "0000" or "1234").
- Once connected, you can make/receive calls, access your phonebook, and stream audio.
6.6 Steering Wheel Control (SWC)
The unit supports learning your vehicle's steering wheel controls for convenient operation.

Image: The Biorunn car stereo screen showing the Steering Wheel Control (SWC) learning interface. It displays various function icons (e.g., volume up/down, track skip, mode, answer/end call) and prompts the user to hold a button on the steering wheel to enter the learning state.
- Go to "Settings" > "Steering Wheel Control" (or similar menu option).
- Follow the on-screen instructions to enter the learning mode.
- Press and hold a function icon on the screen (e.g., "Volume Up"), then press and hold the corresponding button on your steering wheel. Release both when the system registers the input.
- Repeat for all desired steering wheel buttons. Save the settings when finished.
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. Do not spray cleaner directly onto the screen.
- General Cleaning: Wipe the unit's body with a dry, soft cloth. Avoid using harsh chemicals or abrasive materials.
- Software Updates: Periodically check for software updates in the system settings to ensure optimal performance and access to new features.
- Cooling Fan: Ensure the cooling fan (if visible) is not obstructed to prevent overheating.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Incorrect wiring (ACC, B+, GND), blown fuse, vehicle battery issue. | Check all power connections and fuses. Ensure vehicle battery is charged. Consult a professional installer. |
| No sound. | Volume too low, speaker wires disconnected, incorrect audio output settings. | Increase volume. Check speaker wire connections. Verify audio settings in the unit. |
| GPS signal weak or inaccurate. | GPS antenna obstructed or improperly placed, faulty antenna. | Relocate GPS antenna to a position with a clear view of the sky. Check antenna connection. |
| Bluetooth not connecting. | Bluetooth not enabled on phone/unit, incorrect pairing process, interference. | Ensure Bluetooth is active on both devices. Delete previous pairings and re-pair. Try restarting both devices. |
| Steering wheel controls not working. | Incorrect wiring, not configured in settings. | Check KEY1/KEY2 wiring. Re-perform the steering wheel control learning process in settings. |
| Unit freezes or crashes. | Software glitch, too many apps running, overheating. | Restart the unit (long press power button or turn off ignition). Close unnecessary apps. Check for software updates. |
9. Specifications
| Feature | Detail |
|---|---|
| Operating System | Android |
| Processor | 8 Core |
| RAM | 4GB |
| ROM (Internal Storage) | 64GB |
| Display Size | 9 Inches |
| Display Resolution | 1280x720 IPS |
| Touch Screen Type | Capacitive Multi-Touch |
| Bluetooth Version | 5.0 |
| Wi-Fi Support | 5Ghz |
| 4G LTE Support | Yes (SIM card not included) |
| GPS Navigation | Built-in Global Positioning System |
| Car-Play / Android Auto | Wireless & Wired Support |
| DSP Processor | Built-in |
| Radio Tuner | FM/AM with RDS |
| USB Ports | 2 (USB1, USB2) |
| Steering Wheel Control | Support (Learning Function) |
| Supported Languages | Multiple (English, German, French, Spanish, Italian, etc.) |
| Audio Formats | MP3, WMA, AAC, RM, FALC, etc. |
| Video Formats | MPEG-1/2/4, H264, H263, VC1, RV, RMVB, DivX, etc. |
10. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or contact the seller directly. For technical support or further assistance, please visit the Biorunn store on Amazon or contact their customer service through the platform where the product was purchased.
Biorunn Store Link: Visit the Biorunn Store





