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 user1-pack wash primer
Designation:
1-pack wash primer -LVM 044 007 A2-, light grey
1-pack wash primer -LVM 044 171 A2-, dark grey
Issued 08.2013
Product description
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Renewing LSF Lambda probe (4-pin)
Note
If necessary, replace attachment parts, cable ties or
marking rings to match the uniform probe to the defective probe
as specified.
Do not repair Lambda probe wires, since this can result in
malfunctions.
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Nuts and bolts
Loosen and tighten bolts and securing nuts for covers and
housings diagonally.
Avoid canting particularly sensitive parts such as comtrol
motor with control unit. Loosen and tighten them diagonally in
stages.
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