Safety Precautions

Safety Precautions

Observe the following to avoid personal injury and vehicle damage:

There is a risk of injury and accident from accidentally engaging a gear when the engine is running.

• Before performing any work with the engine running, move the selector lever into "P" and press the parking brake button to set the electromechanical parking brake.

Danger of poisonous exhaust gas when the engine is running.

• When the engine is running, an exhaust extraction system must always be connected to the exhaust system.

Risk of injury through fan turning on automatically.

• Disconnect the connectors before working near the fan shroud.

To prevent personal injury and damage or destruction of electrical and electronic components, observe the following:

• Connect and disconnect test equipment only when the ignition is turned off.

Risk of destroying electronic components when disconnecting the battery.

• Observe measures for disconnecting battery.

• Only disconnect the battery with ignition turned off.

- Disconnect the battery.

Safety Precautions, Vehicles with Start/Stop System

Danger of injury through automatic motor starting with vehicles with the Start/Stop System.

• For vehicles with an activated Start/Stop System (recognizable from a notification in the instrument cluster), the motor can be started automatically if needed.

• Thus, make sure that the Start/Stop System is disabled when working on the vehicle (turn off ignition, if needed, turn the ignition back on).

- Disconnect the battery.

If testing equipment must be used during a road test, observe the following:

Distraction and testing equipment that is not secured properly can cause accidents.

The passenger airbag could pose a risk if it deploys in a collision.

• Operating testing equipment while driving causes it to shift position.

• There is an increased risk of injury due to unsecured testing equipment.

• Always secure testing equipment on the rear seat using a strap and have a second person in the rear seat operate it.