1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your SIXWIN 7-inch Double Din Android Car Stereo. Please read this manual thoroughly before using the product to ensure proper functionality and safety.
1.1 Product Overview
The SIXWIN A7335 is a 7-inch double din Android car stereo featuring a touchscreen display, integrated Bluetooth, GPS navigation, WiFi connectivity, Apple CarPlay, and Android Auto. It is designed for specific Volkswagen, Seat, and Skoda models.
1.2 Vehicle Compatibility
This car stereo is compatible with various Volkswagen, Seat, and Skoda models. Please refer to the detailed compatibility list below to confirm your vehicle is supported.

Image 1.2.1: Detailed compatibility list for Volkswagen, Skoda, and Seat vehicles.
2. Safety Information
- Professional Installation Recommended: Due to the complexity of car electrical systems, professional installation is highly recommended. Incorrect wiring can damage the unit or your vehicle.
- Power Connection: Ensure correct power wiring. If the unit does not shut down with the vehicle ignition, do not connect the yellow wire to the positive pole. Instead, connect both the red and yellow wires to the ACC (Accessory) power source.
- Amplifier and Backup Camera: This unit does not support car radios with original factory power amplifiers or factory backup cameras.
- Driving Safety: Do not operate the unit in a way that distracts you from driving. Always prioritize road safety.
- Temperature: Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods.
3. Package Contents
Verify that all items listed below are included in your package:

Image 3.1.1: Overview of the car stereo unit and its accessories.
- 1 x SIXWIN 7-inch Car Stereo Unit
- 1 x Power Cable
- 1 x RCA Input/Output Cable
- 2 x USB Cables
- 1 x GPS Antenna
- ISO Wiring Harnesses (36-pin and 40-pin)
- 1 x Radio Adaptor
- 1 x CAM VIN Cable
- 1 x Canbus Box
- 1 x External Microphone
- 1 x Backup Camera Set
4. Installation Guide
Careful installation is crucial for optimal performance. Refer to the diagrams and instructions below.
4.1 Pre-Installation Checks
Before beginning installation, confirm the following:
- This unit does not support factory backup cameras or original car amplifiers.
- If your car has factory steering wheel control, connect the Canbus. If not, do not connect the Canbus.

Image 4.1.1: Important considerations before installation, including Canbus usage and power wiring notes.
4.2 Wiring Connections
Follow the wiring diagrams carefully. Incorrect connections can lead to malfunction or damage.

Image 4.2.1: Detailed instructions for connecting the Canbus and the backup camera.
4.2.1 Canbus Connection
- If your vehicle requires Canbus: Connect C and D. Disconnect A and B. Choose the correct protocol for your car model in settings: Settings > Factory Settings (Password 8888) > Protocol Setting > Raise-VW.
- If your vehicle does not require Canbus: Disconnect C and D. Connect A and B.
Only 36-pin and 40-pin ISO power harnesses are supported. If your car's connector does not match, you may need to purchase an adapter.
4.2.2 Backup Camera Connection
Connect the backup camera as shown in the diagram:
- Connect the red wire to the reverse light positive electrode.
- Connect the black (neutral) wire to the negative electrode.
- Connect the yellow RCA connector to the AV display interface (AV input must be inserted).
- Connect the camera signal cable.
4.2.3 Power Wiring Note
If the car stereo does not power off with the ignition, ensure the yellow wire is not connected to a constant positive pole. Connect both the red and yellow wires to the ACC (Accessory) power source.
5. Operating Instructions
This section details the various functions and features of your SIXWIN car stereo.
5.1 Apple CarPlay and Android Auto
The unit supports both wireless and wired Apple CarPlay and Android Auto for seamless smartphone integration.

Image 5.1.1: Visual representation of Apple CarPlay and Android Auto interfaces on the car stereo.
5.1.1 Wireless CarPlay Connection
- Establish a Bluetooth connection between the car stereo and your iPhone.
- Open the "Zlink" app on the car stereo.
- Enjoy wireless Apple CarPlay.
5.1.2 Wireless Android Auto Connection
- Download the Android Auto app on your Android phone.
- Establish a Bluetooth connection between the car stereo and your Android phone.
- Open the "Zlink" app on the car stereo.
- Enjoy wireless Android Auto.
Note: Some Samsung phones may not be fully supported for wireless Android Auto.
5.2 GPS Navigation
The unit features a built-in GPS receiver and supports both online and offline navigation.

Image 5.2.1: Example of the GPS navigation interface.
- Online Navigation: Connect to WiFi to use online mapping services like Waze.
- Offline Navigation: Download offline maps for navigation without an internet connection.
5.3 WiFi Functionality
Connect the car stereo to a WiFi network to access online features and download applications.

Image 5.3.1: The WiFi function allows access to various online applications.
- Access the app store to download and install various Android applications.
- Stream music, videos, and browse the internet directly from the unit.
5.4 Bluetooth
The built-in Bluetooth module supports hands-free calling, music streaming, and phonebook synchronization.

Image 5.4.1: Bluetooth interface showing call and music playback options.
- Hands-Free Calling: Make and receive calls safely using the built-in or external microphone.
- Bluetooth Music: Stream audio from your paired device.
- Phonebook: Automatically load your phone's contacts for easy access.
5.5 FM/RDS Radio
Access local radio stations with FM and RDS functionality.

Image 5.5.1: FM radio interface displaying frequency and preset options.
- 18 preset stations available.
- Frequency range: FM 87.50-108.00 MHz.
- RDS (Radio Data System) provides additional information like station name and song title.
5.6 Steering Wheel Control (SWC)
Control basic functions of the stereo directly from your vehicle's steering wheel.

Image 5.6.1: Steering Wheel Control learning interface.
- Switch songs, adjust volume, and answer calls without taking your hands off the steering wheel.
- Requires proper Canbus connection and configuration (refer to Section 4.2.1).
5.7 Backup Camera
The included backup camera provides a clear view of the area behind your vehicle when reversing.

Image 5.7.1: Example of the backup camera display with parking guidelines.
- Automatically displays the rear view when the vehicle is in reverse gear.
- Features a 170-degree wide viewing angle, night vision, and waterproof design.
5.8 EQ Function
Customize your audio experience with the built-in equalizer.

Image 5.8.1: Equalizer settings interface for audio customization.
- Adjust various frequency bands to match your preferred music style.
- Pre-set equalizer modes (e.g., Rock, Classical, Pop, Jazz) are available.
6. Troubleshooting
This section addresses common issues you might encounter with your car stereo.
6.1 Power Issues
- Unit does not power on: Check all power connections, especially the yellow (constant power) and red (ACC) wires. Ensure they are correctly connected and receiving power.
- Unit does not power off with ignition: Refer to Section 4.2.3 regarding ACC wiring. Ensure the yellow wire is not connected to a constant positive pole if the unit should power off with the car.
6.2 Connectivity Issues
- Bluetooth disconnects randomly: Ensure your phone's Bluetooth is stable and within range. Try re-pairing the device.
- CarPlay/Android Auto not connecting: Verify Bluetooth connection (for wireless). Ensure the "Zlink" app is open on the stereo. Check for software updates for both the stereo and your phone.
- Poor FM radio signal: Check the radio antenna connection. Ensure the antenna adapter is correctly installed.
6.3 Backup Camera Issues
- No image or static: Verify all backup camera wiring connections (power, ground, video signal) as per Section 4.2.2. Ensure the camera is receiving power.
6.4 General System Issues
- System freezes or lags: Perform a soft reset using the reset button (if available) or power cycle the unit by turning off the vehicle and waiting for a minute before restarting.
7. Specifications
| Feature | Specification |
|---|---|
| Model Number | A7335 |
| Screen Size | 7 inches |
| Screen Resolution | 1024 x 600 |
| Operating System | Android |
| CPU | MTK Quad-core 1.3GHZ |
| RAM | DDR3 1GB |
| ROM | 32GB |
| Maximum Power Output | 4*45W |
| Wireless Communication | Bluetooth, Wi-Fi |
| Human Interface Input | Microphone, Touchscreen |
| Product Dimensions | 0.04 x 0.04 x 0.04 inches |
| Item Weight | 2.58 pounds |
| Date First Available | March 3, 2023 |
8. Support
For further assistance, wiring diagrams, or any questions regarding your SIXWIN car stereo, please contact our customer support team.

Image 8.1.1: Our support team is available to assist you.
Email: sixwin_vip@163.com
We offer online help and user manual assistance.