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 userChanging headlights over from driving on left to driving on right (gas
discharge headlights with dynamic high beam control and LED daytime running
light)
If a right-hand drive vehicle is driven in a left-hand drive
country, or vice versa, the headlights must be converted. This
is necessary in order to avoid dazzling oncoming traffic with
the asymmetric low beam headlights.
Note
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Engine preheating
Fig. 131 The front left of the bumper:
connection for engine preheating ②
First read and observe the introductory information
and safety warnings In engine preheating mode, the engine coolant is heated
slowly using a heating element while the vehicle is stationary. To do so, the cables
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Anti-corrosion treatment
Caution
Missing anti-corrosion treatment results in damage
to the onboard supply.
Note
All threaded connections must be tightened to specified
torque.
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