General notes

If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.

SmartKey and replace it if necessary. Check the battery in the SmartKey and replace it if necessary.
mechanical key. Unlock the driver's door using the mechanical key.
mechanical key. Lock the vehicle using the mechanical key.
battery contacts checked at a qualified specialist workshop. Have the starter battery and the battery contacts checked at a qualified specialist workshop.

If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.

    See also:

    Making a call
    Entering a telephone number using the telephone keypad Call up the telephone basic menu. Enter all the digits of the phone number using the telephone keypad. To make a call: press the but ...

    Activating/deactivating ATTENTION ASSIST
    Press the or button on the steering wheel to select the DriveAssist menu. Press the or button to select Attention Asst.. Press . The current selection is displayed. To activate/ ...

    Dual-zone automatic climate control
    Different temperatures can be set for the driver's and front-passenger sides. Turn the SmartKey to position 2 in the ignition lock. To increase/reduce: turn controls 1 and 6 clockwise or ...