Smart Key battery

See also:

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. – Turn the SmartKey to position 2 (Y page 139) in the ignition lock. On vehicles with KEYLES ...

NECK-PRO head restraints
Resetting the NECK-PRO head restraints requires a lot of strength. If you have difficulty resetting the NECK-PRO head restraints, have this work carried out at a qualified specialist workshop, e.g ...

Fast forward/rewind
Slide and hold the COMAND controller until the desired position has been reached. You see the navigation menu. ...