See also:

Tire inflation pressures at max. speedsabove 100 mph/160 km/h
Speeds above 100 mph/160 km/h In order to drive at maximum speeds in excess of 100 mph/160 km/h, please observe, and, if necessary, adjust tire pressures for speeds exceeding 100 mph/160 km/h fro ...

Releasing
With the ignition switched on: Manual transmission: Press the switch while the brake or clutch is pressed. Automatic transmission: Press the switch while the brake is pressed or transmission ...

The concept
The system does not measure the actual inflation pressure in the tires. It detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while moving. In the ev ...