Introduction
This user manual provides comprehensive instructions for the installation, operation, and maintenance of your SEMATU 7-inch Car Stereo. This device features a DVD player, Bluetooth connectivity, AM/FM/RDS radio, USB and SD card support, AUX input, and compatibility with Apple CarPlay and Android Auto. Please read this manual thoroughly before using the product to ensure proper functionality and safety.
Safety Information
Always prioritize safety when operating your vehicle. Distracted driving can lead to accidents. Ensure all connections are secure and properly insulated to prevent electrical hazards. Do not attempt to disassemble or modify the unit. Consult a qualified professional for installation if you are unsure about any steps.
- Do not operate the unit in a way that distracts you from driving.
- Ensure the vehicle is parked and the handbrake is engaged before performing any complex operations on the unit.
- Protect the unit from moisture and extreme temperatures.
- Use only specified voltage and power sources.
Setup and Installation
Package Contents
Before beginning installation, verify that all components are present in the package:

Figure 1: Packaging and Included Accessories. This image displays the main unit with its dimensions (220mm width, 132mm height, 210mm depth) and the rear panel connections (177mm width, 100mm height). Below the unit, individual accessories are shown: Power Cable, Canbus box, Original Car USB Cable, AHD Camera, Microphone, Remote Control, User Manual, and Radio Antenna.
- SEMAITU Car Stereo Unit
- Power Cable
- Canbus Box
- Original Car USB Cable
- AHD Camera (if included in package variant)
- Microphone
- Remote Control
- User Manual
- Radio Antenna
Installation Process
Installation typically involves removing the existing car stereo and connecting the new unit. Due to variations in vehicle models, professional installation is highly recommended. Ensure the vehicle's battery is disconnected before starting any electrical work.

Figure 2: Before and After Installation. This image illustrates the visual difference between the original car radio and the SEMATU car stereo installed in a compatible VW dashboard. It also lists compatible VW, Seat, and Skoda models and years.
This unit is designed to fit specific vehicle models. Refer to the compatibility list below:
Compatible Vehicle Models:
For VW:
- VW SAGITAR JETTA
- VW GOLF V VI VARIANT CROSS BLUE MOTION
- VW TOURAN
- VW SHARAN
- VW CADDY
- VW POLO
- VW EOS
- VW SCIROCCO
- VW R36 VARIANT
- VW AMAROK
- VW BEETLE
- VW MULTZVAN
- Amarok (2010-2013)
- Golf VI (2008-2013)
- Golf Kombi (2010-2013)
- Golf GTI (2010-2012)
- Golf Variant (2009-2012)
- Golf Plus (2003-2013)
- Passat (2005-2013)
- Passat Limousine (2006-2013)
- Passat Kombi (2007-2013)
- Passat CC (2008-2013)
- Jetta (2005, 2007-2013)
- Touran (2003-2013)
- Tiguan (2007-2013)
- Scirocco (2008-2013)
- EOS (2006-2013)
- Polo (2009-2013)
- Polo Limousine (2012-2013)
- Neuer Käfer 2 (2011-2013)
- Kaninchen (2007-2013)
- WT5 Caravelle 2010
- Multivan T5 (2010-2013)
- For one part of VW T5/Transporter
- For VW MAGOTAN / MAGOTAN V6/ VARIANT
- For VW PASSAT B6 B7 V6 CC NMS TSI Variant
For Seat:
- For Seat Altea from 05/2004
- For Seat Toledo from 12/2004
- For Seat Leon from 09/2005
- For Seat Altea XL from 04/2007
- Alhambra from 2010
For Skoda:
- For Skoda Fabia Limousine from 02/2007 to 2012
- For Skoda Fabia Combi from 04/2007 to 2012
- For Skoda Praktic from 04/2007 to 2012
- For Skoda Roomster from 04/2006 to 2012
- For Skoda Octavia Limousine from 06/2004 to Facelift
- For Skoda Octavia Combi 06/2004 to Facelift
- For Skoda Octavia II 2s III 3
- For Skoda Yeti from 2009 to 2012
- For Skoda Superb/3 T from 2008 to 2012
Wiring and Connections
Connect the power harness, speaker wires, and other accessory cables according to your vehicle's wiring diagram and the provided wiring harness. Ensure all connections are secure to prevent intermittent issues.
- Power Connection: Connect the main power harness to the vehicle's power supply (constant 12V, accessory 12V, ground).
- Speaker Connections: Connect the speaker wires to the corresponding vehicle speakers (Front Left, Front Right, Rear Left, Rear Right).
- Antenna Connection: Connect the radio antenna cable.
- USB/AUX: Connect the USB and AUX extension cables to the designated ports on the unit and route them to an accessible location.
- Rear Camera: Connect the AHD camera video input and power trigger wire if installing a rearview camera.
- Canbus: Connect the Canbus box for steering wheel controls and vehicle data integration, if applicable for your vehicle model.
Operating Instructions
Basic Operation
- Power On/Off: Press the power button (usually labeled VOL or PWR) to turn the unit on or off.
- Volume Control: Rotate the VOL knob or use the volume buttons on the steering wheel (if connected via Canbus) to adjust the volume.
- Menu Navigation: Use the touch screen or physical buttons (MENU, NAVI, DVD, etc.) to navigate through the main menu and various functions.
- Reset: A small RESET button is typically located on the front panel. Use a thin object (like a paperclip) to press it if the unit becomes unresponsive.
Key Features and Functions
7-inch QLED Touch Screen
The unit features a high-resolution 7-inch QLED display with 1024x600 resolution, supporting 1080P HD video playback for clear and vibrant visuals.

Figure 3: 7-inch QLED Screen. This image highlights the 7-inch QLED display with its 1024x600 resolution and support for 1080P HD format, showing a visual comparison of 1080P quality versus other resolutions.
Apple CarPlay and Android Auto
Connect your iPhone or Android smartphone via USB to access Apple CarPlay or Android Auto. This allows you to use navigation, make calls, send messages, and listen to music directly from your phone's interface displayed on the car stereo screen.

Figure 4: CarPlay and Android Auto Interface. This image shows the car stereo unit installed in a car dashboard, displaying the Apple CarPlay and Android Auto interfaces with various app icons like Phone, Maps, Music, YT Music, Calendar, Settings, Waze, and WhatsApp.
Bluetooth Connectivity
Pair your smartphone via Bluetooth for hands-free calling and wireless audio streaming. The built-in dual microphone ensures clear call quality. Access your phonebook directly from the unit.

Figure 5: Bluetooth Functions. This image displays icons representing Bluetooth phone calls, Bluetooth music streaming, and Bluetooth hands-free functionality.
DVD/CD Player and Multimedia Playback
The integrated DVD/CD player supports various disc formats. Additionally, the unit supports multimedia playback via USB, SD card, and AUX input, allowing you to enjoy your favorite audio and video files.

Figure 6: Multifunction Media Player. This image shows the car stereo's interface for multimedia playback, highlighting support for Bluetooth, USB, AUX Interface, and SD Card. A CD is shown inserted into the unit.
AM/FM/RDS Radio
Enjoy stable and frameless radio reception with AM/FM bands. The RDS (Radio Data System) provides station information. Features include one-touch station search, automatic station memory, and stereo sound.

Figure 7: FM/AM/RDS Radio Interface. This image shows the car stereo's radio interface, displaying frequency tuning and options for station search and memory.
Digital Sound Processor (DSP) and Equalizer
Customize your audio experience with the built-in DSP and adjustable EQ bands. Select from various sound effects like Jazz, Pop, Classic, Rock, and more to optimize audio output.

Figure 8: DSP and EQ Settings. This image shows the car stereo's interface for adjusting sound settings, including DSP (Digital Sound Processor) and equalizer bands.
AHD Rear View Camera Support
The unit supports AHD rearview cameras, providing a clear image with night vision capabilities, a 170° wide viewing angle, and waterproof design for enhanced safety when reversing.

Figure 9: AHD Rear View Camera Features. This image illustrates the features of the AHD rearview camera, including HD image quality, night vision, 170-degree wide angle, and waterproof design.
Steering Wheel Control (SWC)
If your vehicle supports it and the Canbus is correctly connected, you can control the car stereo directly from your steering wheel buttons, allowing for safe and convenient operation.

Figure 10: Steering Wheel Control Function. This image shows a steering wheel with control buttons, indicating how they can be used to remotely control the car stereo unit.
Mirror Link for iOS & Android System
Mirror Link allows you to display the content from your iOS or Android smartphone directly onto the car stereo screen. This includes navigation, messages, music, and other applications.

Figure 11: Mirror Link Functionality. This image shows the car stereo displaying a mirrored smartphone screen, demonstrating the Mirror Link feature for both iOS and Android devices.
Maintenance
- Screen Cleaning: Use a soft, lint-free cloth to gently wipe the touch screen. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Avoid abrasive materials or harsh chemicals.
- General Care: Keep the unit free from dust and debris. Do not expose it to direct sunlight for extended periods or extreme temperatures.
- Disc Care: Handle DVDs and CDs by their edges. Keep them clean and free of scratches to ensure smooth playback.
Troubleshooting
If you encounter issues with your car stereo, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Loose power connection, blown fuse, vehicle battery issue. | Check power cable connections. Inspect vehicle fuses and replace if necessary. Ensure vehicle battery is charged. |
| No Sound | Volume too low, mute activated, incorrect speaker wiring, amplifier issue. | Increase volume. Check if mute is on. Verify speaker connections. Consult a professional if an external amplifier is used. |
| Poor Radio Reception | Antenna not connected, damaged antenna, weak signal area. | Ensure antenna is securely connected. Check antenna for damage. Try tuning to stronger stations or move to an area with better signal. |
| Bluetooth Connection Issues | Device not in pairing mode, unit not discoverable, interference. | Ensure Bluetooth is enabled on both devices and in pairing mode. Restart both devices. Clear previous pairings and try again. |
| CarPlay/Android Auto Not Working | Incorrect USB cable, phone settings, app issues. | Use a high-quality, original USB cable. Ensure CarPlay/Android Auto is enabled on your phone. Update phone OS and apps. |
| Unit Unresponsive / Freezes | Software glitch, temporary error. | Press the RESET button with a thin object. If the issue persists, disconnect power for a few minutes and reconnect. |
Specifications
| Feature | Specification |
|---|---|
| Brand | SEMAITU |
| Model Number | 7 Zoll VW(Touch)DVD |
| Package Dimensions | 31.3 x 22.2 x 18.8 cm; 2.49 kilograms |
| Connectivity Technology | Auxiliary, Bluetooth, USB |
| Compatible Devices | Smartphone, tablet (only via Apple CarPlay and Android Auto) |
| Audio Output Mode | More than stereo |
| Surround Sound Channel Configuration | 4.0 |
| Video Encoding | H.264 |
| Number of Channels | 4 |
| Audio Output Type | Internal |
| Wireless Communication Technology | Bluetooth |
Warranty and Support
For warranty information and technical support, please refer to the warranty card included with your product or contact SEMATU customer service through the retailer where you purchased the unit. Keep your proof of purchase for warranty claims.
For the latest updates, FAQs, and additional support resources, please visit the official SEMATU website (if available).
