See also:

FTM Flat Tire Monitor
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 ...

Malfunction
Comfort Access may not function properly if it experiences interference from local radio waves, e.g., mobile phones. If this occurs, open or close the vehicle using the buttons on the remote co ...

Message when the system was not reset
A Check Control message is displayed. The system detected a wheel change but was not reset. Warnings regarding the current tire inflation pressure are not reliable. Check the tire inflation pre ...