See also:

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 ...

Resetting the tone settings
All tone settings can be reset to the default setting. 1. "CD/Multimedia", "Radio" or "Settings" 2. "Tone" 3. "Reset" ...

General information
Moving parts need to be broken in to adjust to each other. The following instructions will help achieve a long vehicle life and good economy. ...