See also:

Oil types
Note No oil additives Oil additives may lead to engine damage. Approved oil types Your service center can advise you on which engine oils have been approved by the manufacturer of your vehicl ...

Functional readiness of the airbag system
When the ignition is switch on, the warning lamp in the instrument cluster lights up briefly and thereby indicates the operational readiness of the entire airbag system and the belt tension ...

When the vehicle is parked
If you still want to view the time, external temperature and odometer reading briefly after the remote control has been taken out of the ignition lock: Press button 1 in the instrument cluster. ...