See also:

Screw thread
Push out the cover by pressing on the top edge. ...

Functional readiness of the airbagsystem
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 tensioner. ...

Resetting values
The average fuel consumption and average speed can be reset. Press and hold the computer button on the turn signal lever. ...