No image is displayed. The screen is on standby. Ensure that the screen is not on standby.
No sound can be heard. The volume is set to minimum or mute. Increase the volume or deactivate mute.
No sound comes from the left, right, front
or rear speakers.
The balance or fader settings are incor-
rect.
Adjust the sound balance or fader cor-
rectly.
The location of the vehicle on the screen
does not correspond to its actual loca-
tion.
Incorrect positioning of the vehicle
caused by GPS reception.
Move the vehicle until reception of the
GPS signal is improved.
The directions on the screen do not cor-
respond to the actual road.
The version of sytem is out of date. Obtain the latest version of the system.
Certain items on the menu are not avail-
able.
Depending on the current command,
some items will be unavailable.
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