See also:

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphone on the telephone ...

Switching on automatically
Select transmission position R with the engine running. The Top View and PDC images are displayed if the system is switched on via iDrive. ...

Engine and differential
Always obey the official speed limit. Up to 1,200 miles/2,000 km Do not exceed the maximum engine and road speed: ▷ For gasoline engine, 4,500 rpm and 100 mph/160 km/h. Avoid full-thrott ...