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 userConducting a road test before balancing wheels
If a customer brings a vehicle to the workshop complaining
about “vibration”, a road test is essential prior to balancing
the wheels.
This will give you information about the nature of the
vibration.
...
Removing and installing lumbar support adjustment switch -E176-/-E177-
Note
Removal and installation are described for the left
vehicle side. Follow same instructions for the right side as
appropriate.
Removing
–
Remove se ...
Identification markings on the tyre sidewall, standard tyres
Example: Continental ContiPremiumContact 2
1 -
Size code
e.g. 205/55 R 16
→ Anchor
2 -
Position of TWIs (Tread Wear Indicators)
3 -
Manufacturer (trade name)
...