Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated.
•► Switch off any consumers that are not required, e.g. reading lamps or interior lighting.
When the battery is sufficiently charged, the rear window defroster is activated again automatically.
See also:
Dialing a number from the phone book
If your mobile phone is able to receive calls,
you can search for and dial a number from the
phone book in the audio system or COMAND
at any time.
Press the
or
button on the
steering whe ...
Changing the battery
You require a CR 2025 3 V cell battery.
Take the mechanical key out of the
SmartKey.
Press mechanical key 2 into the opening
in the SmartKey in the direction of the
arrow until battery tra ...