General 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 electro-mechanical parking brake.
Danger of poisonous exhaust gas when the engine is running.
- When engine is running, an exhaust extraction system must always be connected to exhaust system.
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).
To prevent personal injury and damage to electrical and electronic components, observe the following:
- Connect and disconnect test equipment only when the ignition is off.
Risk of damaging electronic components when disconnecting the battery.
- Complete the steps for disconnecting the battery.
- Always turn off the ignition before disconnecting the battery.
-- Disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .
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 and measuring tools to the rear seat with a belt and have a 2nd person assist when working with said tools.