The following steps should always be carried out in the specified order before working in the engine compartment :

Park the vehicle on a level and stable surface.

Depress and hold the brake pedal until the engine has stopped.

Apply the handbrake firmly Braking, stopping and parking Brakes Parking .

Select the neutral position or move the selector lever to P Changing gear Changing gear Automatic gearbox see Automatic gearbox_0 Automatic gearbox see Changing gear_0 Automatic gearbox Manual gearbox see Changing gear_0 Manual gearbox .

Stop the engine and remove the key from the ignition Starting and stopping the engine Engine and ignition Ignition see Engine and ignition_6 .

Allow the engine to cool sufficiently.

Children and other people should be kept well away from the engine compartment.

Ensure that the vehicle cannot roll away unexpectedly.

WARNING
Preparing the vehicle for working in the engine compartment
Opening and closing the bonnetWater Content
Only very small amounts of water are soluble in liquid
refrigerant. On the other hand, refrigerant vapor and water
vapor mix in any ratio.
Only a small drop of water may get into the refrigerant
circuit. The dryer, dryer bag or dryer car ...
Tires, Storing
Storage Room
Tire storage must be:
Dark,
Dry,
Cool and
Ventilated
...
Checking the coolant level and refilling coolant
Fig. 139 In the engine compartment: mark
on the coolant expansion tank
Fig. 140 In the engine compartment: coolant
expansion tank cap
First read and observe the introductory information
and safety warningsThe warning lamp for the engine coolant will light up
if the engine coolant level i ...