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 bonnetCleaning windows and exterior mirrors
First read and observe the introductory information
and safety warningsCleaning windows and exterior mirrors
Moisten the windows and exterior mirrors with commercially available, alcohol-based
glass cleaner.
Dry the glass surfaces with a clean chamois leather or a lint-free cloth. Chamois
l ...
How to start the engine using jump leads
Fig. 191 How to connect the jump
leads when starting vehicles without start/stop system: discharged battery Ⓐ and
battery providing assistance Ⓑ
Fig. 192 How to connect the jump
leads when starting vehicles with start/stop system: discharged battery Ⓐ and
battery providing assistance ...
Turn signal and main beam lever
Fig. 67 Turn signal and main beam lever
First read and observe the introductory information
and safety warnings
Move the turn signal and main beam lever to the desired position:
Right turn signal . When the ignition is
switched off, right parking light .
Left turn signal . When the ...