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 userAssembly overview - fixed rear door window
1 -
Fixed door window
Removing and installing
→ Chapter
2 -
Seal
Part of window
3 -
Bolt
Qty. 2
6 Nm
4 -
Cover
Qty. 2
5  ...
Removing and installing backrest heating element -Z7-/-Z9-
Removing
If the backrest padding in a vehicle with seat heating is
renewed, then the respective backrest heating element must also
be renewed.
–
Separate backrest cov ...
Safety precautions when working on the cooling system
Risk of scalding by hot coolant
When the engine is warm, the cooling system is under pressure.
Danger of scalding due to steam and hot coolant.
–
Always wear safety gloves.
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Always wear safety goggles.
– ...