See also:

Situations where ACC may not function optimally
WARNING • The radar sensor has a limited field of vision. In some situations it may detect a vehicle later than expected or not detect other vehicles at all. • If ACC is not functioning proper ...

Immobilizer (start inhibitor)
Each of the keys supplied with your vehicle contains a coded transponder. The code in the key is transmitted to an antenna in the ignition slot where it is compared to the code stored in the start ...

The alarm system
The alarm is automatically armed whenever the vehicle is locked with the remote key or optional Personal Car Communicator. When armed, the alarm continuously monitors a number of points on the ...