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 metering pump -V54- with end sealing valve
–
If you are uncertain as to whether the metering pump -V54--C-
has an end sealing valve or not, connect e.g. hand vacuum pump
-VAS 6213- to connection -A-.
–
Use hand-operated vacuum pump to a generate a vacuum of ...
Function and operation by the user
Fig. 179 In the instrument cluster display:
Driver Alert System
First read and observe the introductory information
and safety warnings The Driver Alert System determines the driving behaviour
at the beginning of a journey and uses it to evaluate the tiredness of the driver.
This is comp ...
Draining air conditioner service station
Note
If it becomes necessary to drain the air conditioner service
station (e.g. because contaminated refrigerant was extracted),
all filters and dryers are to be renewed as a rule. Do not take
the filters and dryers out of their airtight p ...