See also:

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: ...

Important safety notes
WARNING For safety reasons, switch off the windshield wipers and remove the key from the ignition lock before changing the wiper blades (vehicles with KEYLESS-GO: make sure that the on-boar ...

Adjusting the lumbar support
You can adjust the contour of the front seats so as to provide optimum support for your back. Move adjustment lever 1 in the direction of the arrow until the desired backrest contour is ...