CarPlay Interface for Land Rover Discovery 4, Freelander 2, Range Rover-Requires Bosch Head Unit

🛠️ Frequently Asked Questions & Troubleshooting

Q1: How do I get sound to work through the CarPlay module?A: There are two methods to route the audio, depending on your preference:

• Method 1 (Via AUX): Disconnect the Bluetooth connection between your phone and the original car. Then, go to your Volvo's original media menu and select "AUX" as the audio source.
• Method 2 (Via Bluetooth - No AUX needed):Go to the CarPlay module menu: Settings → Factory Settings (Password: 8888).Turn OFF the "Link Split Audio" option and click OK to reboot.Disconnect your phone's Bluetooth from the original Volvo system.In your Volvo's original media settings, pair and select the module's Bluetooth (named "DC_AUDIO_BT") as the music and phone sound source.

Q2: What should I do if the volume is too low or unbalanced (For DC_Audio Users)?

A: If you are using the DC_Audio Bluetooth method and the sound is not balanced, please try the following:

• Method 1: Go to Settings → General and increase the system volume.
• Method 2 (If still not balanced):Go to Settings → Factory Settings (Password: 8888).Scroll to the very last option on the menu.Change the volume parameter from 0.5 to 1.Click Save and Reboot.

Q3: How do I fix the echo issue during phone calls (The other party hears an echo)?

A: This is a quick setting adjustment for ZTUZAUTO GEN3 modules.👉 Solution: Please go to Menu → Settings → Car → Microphone Mode, and change the option to "Auto Select".

Q4: How do I adjust the Android Auto resolution or enable the Air Conditioning pop-up window?

A: You can enable these advanced display features in the factory settings:

1. Go to Settings → Factory Settings (Password: 8888).
2. For Android Auto Resolution: Turn ON the "Turn on Android Auto Resolution Adaptation" option.
3. For Air Conditioning Display: Turn ON the "Show AC float window" option.
4. Click Save and Reboot the system for the changes to take effect.

Q5: What should I do if the screen shows "No Signal," "Black Screen," or "Abnormal Display" after switching to CarPlay?A: Please don't panic! This is usually a simple connection or setting issue. Check the following:

1. LVDS Cable: Ensure the LVDS cable is connected correctly according to the schematic. The LVDS connection MUST be routed to the main head unit (host), NOT the transfer screen.
2. Pin Check: Unplug the LCD cables and check if any pins inside the ports are bent or not making proper contact.
3. DIP Switches: Verify that the DIP switch settings on the module box perfectly match your vehicle model according to the manual. (Note: Always keep the power ON when changing DIP switch settings).
4. If everything is correct and the issue persists, please contact our support team.

Q6: What precautions should I take during installation?

A:

1. Always Power Off: Ensure your car is completely turned off before disconnecting or connecting any wiring harnesses.
2. Test Before Reassembly: After plugging everything in, lock the car for a few minutes, then start it to test all functions (sound, display, steering wheel buttons). Do not reassemble the dashboard panels until you confirm everything works perfectly!

Q7: I need technical support. What information should I provide?A: We are always here to help! To solve your problem quickly, please collect the following information before contacting us via WhatsApp or email:

1. Your Order ID & Car Model / Year.
2. Your original screen size (e.g., 7-inch).
3. A clear picture of your current DIP switch setup on the box.
4. A clear picture showing how your LVDS cables are connected.
5. A picture of the module's System Version (Go to CarPlay menu → Settings → About).