This chapter contains information on the following subjects:
→ Function and operation by the user
The Driver Alert System informs the driver if his or her driving shows signs of tiredness.
Additional information and warnings:

WARNING
The Driver Alert System has been developed for use only while driving on highways and good roads.
If there is a system fault, proceed to a qualified workshop immediately to have the system checked.
Function and operation by the userChecking systems with a restrictor and reservoir and air conditioner
compressor regulating valve -N280- (with externally regulated air conditioner
compressor)
Note
Connecting air conditioner service station
→ Chapter.
Observe the test prerequisites
→ Chapter.
–
Raise engine speed to 2,000 rpm.
...
Checking electromechanical parking brake, vehicles with four-wheel drive
Activate »TЬV mode«:
Seat belt is fitted
Rear axle on single-axle roller dynamometer
Engine is switched off and ignition is switched on
Auto-hold is switched o ...
Removing and installing suspension strut
Special tools and workshop equipment required
Torque wrench -V.A.G 1332-
Spreader -3424-
Engine and gearbox jack -V.A.G 1383 A-
Support -T10149-
Special tools and workshop equipment
...