In very rare cases it can happen that your multimedia system does not
function as you would expect. Before you contact customer service, please
read the user manual and review the following checklist, as an apparent
malfunction can possibly be quickly remedied.
Symptoms
Possible cause / remedy
System does not
start, screen dark.
Ignition switched off: please switch on
Ignition is already switched on, system is on standby:
Press one of the cursor buttons, the OK button, or
the menu button on the remote control.
The system switches
itself off after a
period of normal
operation.
At extremely high or low temperatures the system is
automatically switched off to protect against
damage. It switches on again as soon as the
temperature has returned to normal.
Screen switches off
under excessive
temperature.
At temperatures exceeding 75 degrees centigrade,
the screen switches itself off temporarily to protect
against damage. It switches on again as soon as the
temperature returns to normal.
After the ignition
has been switched
off, the last menu
remains visible on
the screen.
The screen remains switched on for approx.
30 seconds after the ignition has been switched off.
System does not
react to actuation of
the buttons if
remote control is not
in its holder.
Batteries are empty: Replace the batteries in the
remote control, or install the remote control in its
holder.
System reacts very
slowly to inputs, or
takes a long time to
respond
You are located in an extremely densely digitised
area. The system requires more time to read large
data quantities.
“Guidance” cannot
be selected in
“Navigation” menu
Ensure that you have entered a destination address.
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TROUBLESHOOTING
