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 bonnetOverview - Cigarette Lighter -U1-
Caution
Using force to remove cigarette lighter sockets
without illumination can result in damage to the
mounting sleeve retainers.
The Cigarette Lighter Release Tool -T40148- can o ...
Wheel, Mounting, Audi Assembly Instructions
Vehicles with Tire Pressure Monitoring Sensor.
If wheels are changed (for example, change from summer to
winter tires), wheel electronics send data as soon as speed of
new wheels exceeds 25 km/h (15.53 mph). The control module
automatica ...
Introduction
This chapter contains information on the following subjects:
→ Contents of the breakdown set
→ Preparation
→ Sealing and inflating tyres
→ Test after driving for 10 minutes
You can use the breakdown set (tyre mobility set) to safely seal any tyre
damage cau ...