General Safety Precautions
Pay attention to the following to avoid personal injury and vehicle damage:
Risk of injury and accident by accidentally engaging a driving mode with the engine running.
- Shift the transmission into "P" and set the parking brake to lock the electro-mechanical parking brake before working on a running engine.
Danger of poisonous exhaust gas with the engine running.
- When engine is running, an exhaust extracting system must always be connected to the exhaust system.
Safety Precautions, Vehicles with Start/Stop System
Risk of injury if the engine starts automatically in vehicles with the Start/Stop System.
- For vehicles with an activated Start/Stop System (recognizable from a notification in the instrument cluster), the engine can be started automatically if needed.
- Make sure the Start/Stop System is deactivated when working on the vehicle (turn off ignition, if needed, turn the ignition back on).
To prevent personal injury, damage or destruction of electrical and electronic components, observe the following:
- Only connect and disconnect test equipment when the ignition is off.
Risk of destroying electronic components when disconnecting the battery.
- Follow the steps when disconnecting the battery.
- Always turn off the ignition before disconnecting the battery.
-- Disconnect the battery. Refer to OVERVIEW - BATTERY .
If testing equipment must be used during a road test, observe the following:
Risk of accident due to distractions and testing equipment that is not secured properly.
The front passenger airbag could pose a risk if it deploys in a collision.
- Operating testing equipment while driving is a distraction.
- Testing equipment that is not secured properly increases the risk of personal injury.
- Always secure testing equipment on the rear seat using a strap and have a second person in the rear seat operate it.