Parking lamps
Switch position 
: the vehicle
lamps light
up on all sides, e.g., for parking.
Do not use the parking lamps for extended periods; otherwise, the battery may become discharged and it would then be impossible to start the engine.
When parking, it is preferable to switch on the one-sided roadside parking lamps.
See also:
Brake force display
The concept
▷ During normal brake application, the outer
brake lamps light up.
▷ During heavy brake application, the inner
brake lamps light up in addition. ...
Adjusting volume
Turn knob 1next to the CD/DVD player until the desired volume is obtained.
You can also adjust the volume with buttons on the steering wheel. ...
Following part replacement
The same breaking in procedures should be observed
if any of the components mentioned
above have to be renewed in the course of the
vehicle's operating life. ...