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 tensione ...

Resetting the tone settings
1. "CD/Multimedia", "Radio" or "Settings" 2. "Tone" 3. "Reset" ...

Activating/deactivating Bluetooth
Bluetooth is not permitted everywhere. Comply with all safety guidelines and regulations. 1. "Telephone". 2. "Options" Open. 3. "Bluetooth®" ...