Test Requirements

WARNING: This page is about a different car, the 2015 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.

Fuses OK.
Battery voltage OK
Switch OFF all electrical and electronic accessories.
Vehicles with Auto. Transmission, ensure Selector Lever position is in "P".
Vehicles with Man. Transmission, ensure Shifter Lever position is in "N" with Parking Brake applied.
Observe all safety precautions: SAFETY PRECAUTIONS
View clean working conditions: CLEAN WORKING CONDITIONS