Activating/deactivating

WARNING 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.

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

  • Turn the SmartKey to position 2 in the ignition lock.
  • Press the lamp in the button lights up or button. The indicator lamp in the goes out. button lights up or goes out.
    See also:

    Setting climate control to automatic
    WARNING If you switch off the cooling function, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibility an ...

    Additives
    Only use DEF in accordance with ISO 22241. Do not use additives with DEF and do not dilute DEF with water. This may destroy the BlueTEC exhaust gas aftertreatment system. ...

    SmartKey
    0 To remove the SmartKey 1 Power supply for some consumers, such as the windshield wipers 2 Ignition (power supply for all consumers) and drive position 3 To start the engine As soon as the igni ...