First read and observe the introductory information
and safety warnings
Volkswagen recommends the use of genuine Volkswagen spray with lubricating and anti-corrosive properties to de-ice the lock cylinders.

NOTICE
Care of rubber seals
UndersealStarting conditions for auxiliary heater, supplementary heater mode
Terminal 15 (ignition) on
Engine speed > 600 rpm
Coolant temperature < 72 °C
Ambient temperature < 5 °C
Reserve fuel level not reached
...
Checking compression
Special tools and workshop equipment
required
Spark plug socket and extension -3122 B-
Compression tester -V.A.G 1763-
...
Removing and installing sill panel moulding, 4-door model
Note
Removal and installation are described for the left vehicle
side. Follow same instructions for the right side as
appropriate.
Special tools and workshop equipment
required
...