The following jobs should always be carried out in the given 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 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 down.

Children and other persons 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 bonnetVolkswagen Touran Owners Manual. Warning lamp and coolant temperature display
Fig. 176 Coolant temperature display
in instrument cluster: Ⓐ cold; Ⓑ normal; Ⓒ warning
First read and observe the introductory
information and safety warnings In normal driving conditions, the needle
will be in the middle section of the scale. The temperature may also rise when
th ...
Volkswagen Touran Service Manual. Vehicle Diagnostic Tester, Connecting, Golf MY 1998 through 2003
Apply the parking brake.
In vehicles with automatic transmission, move the selector
lever to the "P" or "N" position.
In vehicles with manual transmissions, move the shift lever
to ...