Tone
Only treble and bass can be set in the rear for headphones. The settings are made separately for the left and right headphones.
Operation is the same as for the front tone.
See also:
Checking the oil level
The concept
The oil level is monitored electronically and displayed
on the Control Display.
Requirements
The engine must be running and warm after
the vehicle has been driven for at least
...
Coolant temperature
Should the coolant, and with it the engine, become
too hot, a Check Control message is displayed.
Check the coolant level. ...
Loss of the remote controls
Lost remote controls can be blocked by your
service center. ...