See also:

Indicator/warning lamps
The indicator and warning lamps can light up in a variety of combinations and colors. Several of the lamps are checked for proper functioning and light up temporarily when the engine is starte ...

Connecting headphones
You can connect headphones with a jack plug or operate them using the infrared interface. To enable optimal use of the infrared interface, use infrared headphones that comply with the IEC 61603 ...

Operational readiness of airbag system
Operational readiness of airbag system In the radio ready state and beyond the warning lamp comes on briefly to indicate that the entire airbag system and the belt tensioners are operational. ...