Introduction
Thank you for choosing the LeeKooLuu 1 Din Car Stereo. This device integrates advanced features such as Apple CarPlay, Android Auto, Bluetooth connectivity, and a 5-inch capacitive touchscreen to enhance your driving experience. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and safety.

Image: The LeeKooLuu 1 Din Car Stereo unit, showcasing its 5-inch touchscreen and physical controls.
Safety Information
Please read all safety instructions carefully before installation and operation. Failure to follow these guidelines may result in injury or damage to the device or vehicle.
- Ensure the vehicle's ignition is off and the battery is disconnected before installation to prevent electrical shorts.
- Consult a professional for installation if you are unsure about any wiring procedures.
- Do not operate the device in a way that distracts you from driving. Always prioritize road safety.
- Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
- Use only specified voltage and power sources.
Package Contents
Verify that all items are present in the package:
- LeeKooLuu 1 Din Car Stereo Unit
- Rear View Camera
- Steering Wheel Controller
- External Microphone
- Power Cable
- User Manual (this document)
- Mounting Accessories (brackets, screws)
Product Overview
Key Features:
- 5-inch Capacitive IPS Touchscreen
- Apple CarPlay (wired connection)
- Android Auto (wired connection)
- Bluetooth 5.1 for hands-free calls and music streaming
- FM Radio with 18 preset stations
- Mirror Link function for iOS/Android devices
- USB and TF card input
- Auxiliary input
- Built-in microphone
- Support for external microphone
- Rear camera input with automatic display
- Steering Wheel Control (SWC) learning function
- Fast charging via USB
Unit Dimensions and Wiring Ports:

Image: Diagram showing the dimensions of the car stereo unit (187mm width, 82mm height for screen, 126mm depth) and a detailed view of the rear wiring ports with corresponding labels.
The diagram illustrates the physical dimensions of the unit and the layout of the rear wiring ports. Key ports include:
- Power cord connection
- Horn Cable
- A.OUT-L (Audio Output Left)
- A.OUT-R (Audio Output Right)
- V-IN (Video Input)
- Microphone input
- A.OUT-2 (Additional Audio Output)
- V-OUT2 (Additional Video Output)
- CAM-IN (Rear Camera Input)
- Radio Antenna input
Setup and Installation
Proper installation is crucial for the performance and safety of your car stereo. If you are not confident with electrical wiring, please seek professional assistance.
Installation Steps:
- Disconnect Battery: Before starting, disconnect the negative terminal of your vehicle's battery to prevent electrical shorts.
- Remove Old Unit: Carefully remove your existing car stereo from the dashboard.
- Mounting: Install the provided mounting brackets to the sides of the new LeeKooLuu unit. Slide the unit into the 1 Din slot in your dashboard.
- Wiring Connections: Refer to the wiring diagram below and connect all necessary cables.
- Secure Unit: Once all connections are made and tested, secure the unit firmly in the dashboard.
- Reconnect Battery: Reconnect the negative terminal of your vehicle's battery.
- Test Functionality: Turn on the vehicle and test all functions of the car stereo.
Wiring Diagram:

Image: Detailed wiring diagram showing connections for power, speakers, steering wheel control, and reverse camera input.
Power Connections:
- GND (Black): Ground connection.
- +12V Ignition Switch (Red): Connect to the vehicle's accessory power, which turns on with the ignition.
- B+ (+12V) (Yellow): Connect to the vehicle's constant 12V power supply.
- AUTO ANT (Blue): Connect to the automatic antenna or amplifier trigger wire (if applicable).
- Small Light Controller (ILL) (Orange): Connect to the vehicle's illumination wire for dimming.
Speaker Connections (4 Channels):
- Front Right Speaker: White (+) / White with Black Stripe (-)
- Front Left Speaker: Gray (+) / Gray with Black Stripe (-)
- Rear Right Speaker: Green (+) / Green with Black Stripe (-)
- Rear Left Speaker: Purple (+) / Purple with Black Stripe (-)
Other Connections:
- Steering Wheel Control 1 (Key1) (Brown): Connect to your vehicle's steering wheel control wire.
- Brake Control Line (Pink): Connect to the parking brake signal wire (for video playback safety).
- Reversing Control Line (Orange/White): Connect to the vehicle's reverse light trigger for automatic rear camera display.
Operating Instructions
Basic Operation:
- Power On/Off: Press the power button (usually the volume knob) to turn the unit on or off.
- Volume Control: Rotate the volume knob to adjust the audio level.
- Menu Navigation: Use the touchscreen to navigate through menus and select functions.
- Source Selection: Tap the "Source" or "Mode" icon on the screen to switch between Radio, USB, Bluetooth, CarPlay/Android Auto, etc.
Apple CarPlay & Android Auto:
Connect your compatible iPhone or Android smartphone via a USB cable to enable Apple CarPlay or Android Auto. This allows access to navigation, calls, messages, and music directly from the car stereo's screen.

Image: The car stereo display showing the Apple CarPlay and Android Auto interface with various app icons and voice control prompts.
- Connection: Use a high-quality USB cable to connect your smartphone to the USB port on the car stereo.
- Automatic Launch: CarPlay or Android Auto should launch automatically. If not, select the corresponding icon on the stereo's main menu.
- Voice Control: Use voice commands (e.g., "Hey Siri" or "Ok Google") to control navigation, make calls, send messages, and play music.

Image: A screenshot of the car stereo display showing music playback through Apple CarPlay, with song title, artist, and playback controls.
Bluetooth 5.1:
The built-in Bluetooth 5.1 module allows for wireless audio streaming and hands-free calling.

Image: The car stereo display showing the Bluetooth interface for hands-free calling with a dial pad and music playback controls.
- Pairing:
- Go to the Bluetooth menu on the car stereo.
- Enable Bluetooth on your smartphone and search for available devices.
- Select "LeeKooLuu" (or similar name) from the list on your phone.
- Confirm the pairing code if prompted.
- Hands-free Calling: Once paired, you can make and receive calls directly through the car stereo. The built-in and external microphones ensure clear communication.
- Music Streaming: Play audio from your smartphone wirelessly through the car stereo speakers.
Mirror Link:
Mirror Link allows you to display your smartphone's screen content directly onto the car stereo's display. This is useful for apps not supported by CarPlay/Android Auto or for viewing videos.

Image: A visual representation of the Mirror Link feature, showing a smartphone screen mirrored onto the car stereo display, playing a video.
- Connection: Connect your smartphone to the car stereo via a USB data cable.
- Activate Mirror Link: Select the "Mirror Link" or "PhoneLink" option on the car stereo.
- Follow On-Screen Prompts: Your phone may require permission or a specific app to enable mirroring.
FM Radio:
Access your favorite radio stations with the built-in FM tuner.

Image: The car stereo display showing the FM radio interface with current frequency (87.50 MHz) and preset station buttons.
- Auto Search: Use the auto-search function to find and store available stations.
- Manual Tuning: Manually tune to specific frequencies.
- Presets: Store up to 18 of your favorite stations for quick access.
Rear Camera Function:
When the vehicle is shifted into reverse gear, the car stereo automatically displays the feed from the connected rear camera.

Image: The car stereo display showing the rear view camera feed with parking guidelines, and an inset image of the included camera.
- Ensure the rear camera is properly installed and connected to the CAM-IN port and the reversing control line.
- The display will automatically switch to the camera view when reverse gear is engaged.
Steering Wheel Control (SWC):
The unit supports learning functions for your vehicle's steering wheel controls, allowing you to manage basic functions without taking your hands off the wheel.

Image: The car stereo display showing the menu for configuring steering wheel controls, with options to assign functions like volume, track skip, and call answer/reject.
- Access SWC Settings: Navigate to the "Steering Wheel Control" or "Wheel" settings in the system menu.
- Learn Buttons: Follow the on-screen instructions to assign functions from your steering wheel buttons to the car stereo. Typically, this involves pressing a button on the steering wheel and then selecting the corresponding function on the stereo's screen.
Touchscreen and Display:
The 5-inch IPS capacitive touchscreen provides a responsive and clear visual experience.

Image: A graphic illustrating the high-definition and responsive nature of the touchscreen, with icons for touch, swipe, and pinch gestures.
- Use light touches for interaction.
- Avoid using sharp objects that could damage the screen.
Customizable Button Colors:
Personalize the aesthetic of your car stereo by changing the color of the physical buttons.

Image: A row of power icons in different colors (red, magenta, blue, cyan, green, yellow, white) demonstrating the customizable button illumination.
- Access the "Display Settings" or "Button Color" menu to select your preferred illumination color.
Maintenance
To ensure the longevity and optimal performance of your LeeKooLuu car stereo, follow these maintenance guidelines:
- Cleaning the Screen: Use a soft, lint-free cloth slightly dampened with water or a screen cleaner. Do not use abrasive cleaners or solvents.
- Cleaning the Unit: Wipe the exterior of the unit with a dry, soft cloth. Avoid getting liquids inside the unit.
- Avoid Extreme Conditions: Protect the unit from direct sunlight, extreme heat, and excessive moisture.
- Cable Management: Ensure all cables are securely connected and not pinched or damaged.
Troubleshooting
If you encounter issues with your car stereo, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power |
|
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| No Sound |
|
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| Bluetooth Not Connecting |
|
|
| CarPlay/Android Auto Not Launching |
|
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| Rear Camera Not Displaying |
|
|
Specifications
| Feature | Detail |
|---|---|
| Brand | LeeKooLuu |
| Model Number | A3107A3AM47EU |
| Overall Product Dimensions | 11.3 x 20.3 x 17 cm; 790 grams |
| Unit Dimensions (D x W x H) | 6.3 x 18 x 8 cm |
| Screen Size | 5 inches |
| Screen Type | Capacitive IPS Touchscreen |
| Tuner Technology | FM |
| Bluetooth Version | 5.1 |
| Compatible Devices | Smartphone (Apple CarPlay, Android Auto, Mirror Link) |
| Additional Features | Touchscreen, Video Playback, Rear Camera Support, Steering Wheel Control |
| Audio Output Mode | Stereo |
| Output Power | 45 Watts |
| Speaker Output Channels | 4 |
| USB Ports | 2 |
| Remote Control | IR (Included) |
| Color | Black |
Warranty and Support
LeeKooLuu is committed to providing excellent customer service and technical support. Your product is covered by a standard manufacturer's warranty, details of which can be found on our official website or by contacting customer service.
If you encounter any issues or have questions regarding your LeeKooLuu car stereo, please do not hesitate to contact our support team. We are dedicated to helping you resolve any problems.
- Customer Service: Refer to the contact information provided with your purchase or visit the official LeeKooLuu website for support options.
- Technical Assistance: Our professional technical team is available to assist with product-related inquiries and troubleshooting.

Image: Two customer service representatives wearing headsets, ready to assist with inquiries.