See also:

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. ...

Speed Limit Info with No Passing Info display and Speed Limit Device
In combination with the navigation system Professional or Business, Speed Limit Info helps alert drivers to the current speed limit on the road on which they are travelling. The camera integrated ...

DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purpose. ...