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 bonnetDiesel
First read and observe the introductory information
and safety warnings Diesel
Diesel fuel must comply with the European standard EN 590 (in Germany DIN EN
590) .
The service intervals are shorter if you use diesel with a high sulphur content
⇒ BookletService schedule, . A Volkswa ...
Charge Factor
A vessel must have space for vapor as well as liquid. As the
temperature rises, the liquid expands. The space filled with
vapor decreases. At a certain point, there will only be liquid
in the vessel. Beyond this, even a slight increase in
temperature cau ...
General Information
All components of the refrigerant circuit submitted for
quality observation are always to be sealed (use original
sealing caps of original part).
To date, the original parts (compressor, reservoir,
receiver/dryer, evaporator and co ...