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 userVibration control system
Using the vibration control system -VAS 6230 A- you can
perform more functions than just stationary balancing.
A special feature of this system is the testing of the
radial force of the wheel and tyre while rolling.
A ro ...
Measuring tread depth
Note
The tread depth is measured in the main tread channels.
Do not measure at the TWIs (Tread Wear Indicators).
Measure the tread depth in the main tread channel, a ...
Removing and installing tyre pressure sensor, metal valve body
Special tools and workshop equipment
required
Torque wrench -V.A.G 1410- and 11 mm insert
tool-V.A.G 1331-.
–
Push metal valve with rubber seal t ...