See also:

Switching the belt adjustment on/off
For further information on belt adjustment. Press the or button on the steering wheel to select the Settings menu. Press the or button to select Belt Adjustment. Press the button to ...

Before changing a fuse
  Park the vehicle and apply the parking brake.   Switch off all electrical consumers.   Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: ...

Cleaning the wiper blades
WARNING Before cleaning the windshield or wiper blades, switch off the windshield wipers and remove the SmartKey from the ignition lock. On vehicles with KEYLESS-GO, press the Start/Stop b ...