Symptom Possible cause Remedy
No image comes on. The brightness adjustment is at the lowest setting. Adjust the settings to make the display brighter.
No map comes on the screen. No map DVD-ROM is inserted, or it is inserted upside
down.Insert the DVD-ROM correctly.
The map display mode is switched off.
Press the
MAP
button.
No voice guide is available.
or
The volume is not high enough.The volume is not set correctly or turned off. Adjust the volume correctly.
The screen is too dim. The movement is slow. The temperature in the vehicle is low. Wait for the temperature in the vehicle to rise.
There are a few darker or brighter dots in the display. This is inherent to displays. This condition is a charac-
teristic of liquid crystal displays.This condition is not abnormal.
Stored location in the address book and other memory functions may be lost if the car’s battery is disconnected or becomes discharged for a long
time.
If this should occur, service the car’s battery as necessary and re-enter the address book information.BASIC OPERATIONS
Troubleshooting guide
14-3
04.7.6/Z33-N
