Problems with the rear window defroster

The rear window defroster has deactivated itself prematurely or cannot be activated.

are not 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:

    Correct use
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    Generous: the interior dimensions and load capacity
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    Rejects or ends a call
    •► Press the button on the steering wheel. If you are not in the Tel menu, you can still reject or end a call. ...