Oil change
An oil change should be carried out by your service center only.

See also:
Deleting all stored programs
Press both outer memory buttons 1 for approx.
20 seconds until the LED flashes rapidly.
All stored programs are deleted.
The programs cannot be deleted individually. ...
The concept
The Check Control system monitors functions
in the vehicle and notifies you of malfunctions in
the monitored systems.
A Check Control message is displayed as a
combination of indicator or warni ...
Switching the microphone to mute
When a call is active, the microphone can be
muted.
1. "Telephone"
2. "Active calls"
3.
"Microphone mute"
A microphone that has been switched to mute
is autom ...
