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.

Switch on the electronic parking brake 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_0 .

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 bonnetBalancing wheel, conditions
Before you start balancing the wheels, the following
requirements must be met.
Tyre pressure must be OK.
Tread must not be worn on one side. Tread depth should be at
least 4 mm.
T ...
Air conditioner compressor without magnetic clutch
The air conditioner compressor is driven by a V-belt from
the engine.
A shear link is incorporated in the air conditioner
compressor V-belt pulley. In the event of stiffness in the air
conditioner compressor, it shears off and protects t ...
Starting the engine
First read and observe the introductory information
and safety warnings
The steps should only be carried out in the specified
order.
Step
Vehicles without Keyless Access
Vehicles with Keyless Access
1.
...