Switching the rear window defroster on/off

Activating/deactivating

WARNING
Any accumulation of snow and ice should be removed from the rear window before driving.

Visibility could otherwise be impaired, endangering you and others.

► Turn the SmartKey to position 2  in the ignition lock.

► USA only: press the button.

The indicator lamp in the button
lights up or goes out.

The rear window defroster has a high current draw. You should therefore switch it off as soon as the rear window is clear.

as it only switches off automatically after several minutes.

If the battery voltage is too low, the rear window defroster may switch off.

Problems with the rear window defroster

If the indicator lamp in the
rear window defroster button flashes, the on-board voltage is too low. The rear window defroster has deactivated 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.