See also:

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...

Functional requirements
The system must have been reset while the inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Always use wheels with TPM electronics to ensure that the ...

Flat Tire Monitor FTM
The conceptThe system does not measure the actual inflation pressure in the tires. The system detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while mov ...