See also:

Low tire pressure message
The yellow warning lamp lights up. A Check Control message is displayed. There is a flat tire or a major loss in tire inflation pressure. The system was not reset after a wheel change ...

Tire Pressure Monitor TPM
The concept The tire inflation pressure is measured in the four mounted tires. The system notifies you if there is a significant loss of pressure in one or more tires. ...

Radio
FM AM Weather Band Satellite radio Stored stations ...