See also:

Lane Change Warning System monitors vehicles following behind
Inattentiveness or misjudgement of the distance and speed of a vehicle approaching from behind can lead the driver into a critical situation when changing lanes. The optional Lane Change Warning S ...

Telephone
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Hands-free system
General information Calls that are being made on the hands-free system can be continued on the mobile phone and vice versa. From the mobile phone to the handsfree system Calls that were begun ...