See also:

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. ...

Warning stages
Prewarning This warning is issued, for example, when there is the impending danger of a collision or the distance to the vehicle ahead is too small. Acute warning Warning of the imminent danger ...

Multi-channel playback, surround
Setting multi-channel playback, surround 1. "CD/Multimedia", "Radio" or "Settings" 2. "Tone" 3. "Surround" Surround When surround is activate ...