Turn the knurled ring to 
.
The warning light 
on the instrument
cluster will come on.
See also:
Jump-Starting Procedure
WARNING!
Failure to follow this procedure could result in personal injury or property
damage due to battery explosion.
CAUTION!
Failure to follow these procedures could result in damage to the ...
Instrument panel, display and button lighting adjustment (light rheostat)
With this function it is possible to adjust the lighting (dimming/brightening)
of the instrument cluster, and two-zone climate control display (where required).
To adjust proceed as follows:
&nb ...
Switching on/off of the ASR system
The ASR function switches on automatically each time the engine is started.
When travelling the device can be switched off and on again pressing switch ASR
OFF on the centre console.
Switching o ...