See also:

Operation indicator lamps
If one of the following indicator lamps comes on in the instrument panel and/or instrument panel screen, this confirms that the corresponding system has come into operation. ...

Horn
Audible warning to alert other road users to an imminent danger. Press one of the spokes of the steering wheel. Use the horn moderately and only in the following cases: - immediate danger, - o ...

Service indicator zero reset
After each service, the service indicator must be reset to zero. The procedure for resetting to zero is as follows: switch off the ignition, press and hold the trip distance recorder zero reset bu ...