Appendix

Troubleshooting

Before reporting a malfunctioning system, refer to the following table and see if you can identify and fix the problem. If the problem persists or you are unable to locate your specific need, contact one of our authorized service centers.

Sound and display

Symptom	Possible cause	Solution
No sound	System turned off	Ensure that the engine start/stop button is set to "ACC" or "ON." Press the Power button to turn on the system.
	Low volume level	Turn the Volume knob on the control panel to adjust the volume.
	System muted	Press the Mute button on the steering wheel to unmute the system.
Sound is heard from only one speaker.	Unbalanced sound output	On the All Menus screen, press Setup > Sound and select where you want the sound to come from.
Sound is cut off or a distorted noise is heard.	System vibration	It is not a malfunction. If the system vibrates, the sound may be cut off or a distorted noise may occur. When the vibration stops, the system will operate normally.
The image quality is deteriorated.	System vibration	It is not a malfunction. If the system vibrates, the image may be distorted. When the vibration stops, the system will operate normally.
The image quality is deteriorated.	Aged or deteriorated screen	If the problem persists, contact one of our authorized service centers.
Small red, blue, or green dots appear on the screen.		Because the LCD is manufactured with technology requiring extremely high pixel density, pixel deficiency or constant lighting may occur within the permitted range of less than 0.01 % of the total pixels.

USB playback

Symptom	Possible cause	Solution
The files on the USB storage device are not recognized.	File format not compatible	Copy compatible media files to the USB device and reconnect the device. > See "USB mode."
	Poor connection	Disconnect the USB storage device from the USB port and reconnect it correctly.
	Contaminated USB connectors	Remove foreign substances from the USB connector of the storage device and the contact surface of the USB port.
	USB hub or extension cable used	Connect the USB storage device directly to the USB port.
	Non-standard USB storage device used	Use a USB storage device that is compatible with the system. > See "USB mode."
	Corrupt USB storage device	Format the USB storage device on a PC and reconnect it. Format the device in FAT16/32 format.

Bluetooth connection

Symptom	Possible cause	Solution
The system is not detected on the Bluetooth device.	Pairing mode not activated	On the All Menus screen, press Setup > Device Connections and switch the system to the pairing mode. Then, try searching for the system again on the device.
The Bluetooth device is not connected to the system.	Bluetooth deactivated	Activate Bluetooth on the device.
The Bluetooth device is not connected to the system.	Bluetooth error	Deactivate Bluetooth and reactivate it on the device. Then, reconnect the device. Turn the device off and on. Then, reconnect it. Remove the battery from the device and reinstall it. Then, turn the device on and reconnect it. Unregister the Bluetooth pairing on both the system and the device and then re-register and connect them.

Phone projection

Symptom	Possible cause	Solution
Phone projection does not start.	Phone projection not supported by the phone	Visit the following websites and ensure that the smartphone supports one of the corresponding functions. Android Auto: https://support.google.com/androidauto Apple CarPlay: https://www.apple.com/ios/carplay
Phone projection does not start.	USB connection not supported	Apple CarPlay does not support USB connections for systems that support wireless phone projection. Connect your iPhone to the system wirelessly and start Apple CarPlay. > See "Connecting your iPhone via Apple CarPlay."
	Phone projection disabled	Depending on the availability of wireless connectivity and usable connection types, enable phone projection by using one of the following ways: For USB connections (if wireless connectivity is not supported): Press All Menus > Setup > Device Connections, then select a function you want to use. For USB connections (if wireless connectivity is supported): USB connections are available only for Android Auto. Press All Menus > Setup > Device Connections and activate USB connectivity in the phone projection settings menu. For wireless phone projection: Press All Menus > Setup > Wi-Fi and activate Wi-Fi connectivity. Check if phone projection is disabled in the app settings or if there are any restrictions set on your smartphone.
	Smartphone not ready or malfunctioning	Check if the smartphone′s battery is low. If the battery is low, the smartphone may not be recognized. If the network signal is weak, phone projection may not work correctly. If the smartphone is locked, unlock it. Reset the smartphone and reconnect it.
	Authentication error in wireless connection	If you are attempting to start a wireless connection, press All Menus > Setup > Wi-Fi, generate a new Wi-Fi passkey, and try again.
When phone projection starts or is in use, a black screen is displayed.	Smartphone malfunctioning	If phone projection is active via USB, disconnect the USB cable from the smartphone and reconnect the cable. If phone projection is active via wireless connection, access the phone projection devices list, disconnect the smartphone, and reconnect it. Reset the smartphone and reconnect it.
The Wireless Android Auto connection does not work correctly.	System or smartphone malfunctioning	Delete all connected devices from the system and your Android smartphone, and then reconnect them. From your system’s Home screen: Press All Menus > Setup > Device Connections > Bluetooth > Bluetooth Connections > Delete Device(s). Press Mark All > Delete. Press Yes. Downloaded data from devices will also be deleted. From your Android smartphone: Go to the Android Auto connection settings and delete all the previously connected vehicles. For details about deleting connected vehicles, refer to your smartphone’s user guide. Try connecting your Android smartphone to the system. > See "Using Android Auto or Apple CarPlay via a wireless connection (if wireless connectivity is supported)."

System operation

Symptom	Possible cause	Solution
The previously used media mode is not activated after the system turns off and back on.	Poor connection or playback error	If the corresponding media storage device is not connected or has a problem in playback when you turn on the system, the mode you previously used will be activated. Reconnect the media storage device or restart playback.
The system is slow or it does not respond.	Internal system error	Press and hold the Reset button with a suitable tool, such as a pen or a paperclip. Update the system software to the latest version. If the problem persists, contact one of our authorized service centers.
The system does not turn on.	Fuse shorted	Visit a repair shop and replace with a suitable fuse. If the problem persists, contact one of our authorized service centers.