First read and observe the introductory information
and safety warnings
The underside of the vehicle is coated to protect it from corrosion and damage. The protective coating on the underside of the vehicle could be damaged when driving. Volkswagen therefore recommends that the protective coating on the underside of the vehicle and on the running gear should be checked regularly and repaired if necessary.

CAUTION
De-icing door lock cylinders
Cleaning the engine compartmentWheel, Balancing, Tire and Wheel Radial and Lateral Run-Out, Checking
Before beginning balancing, the following requirements must
be fulfilled.
The tire pressure must be OK.
The tire profile must not be worn on one side. The tire
profile must be at least 4 mm.
...
Welding and Soldering on Refrigeration Systems
Before performing welding or soldering work on vehicles near
the air conditioning system components, extract the refrigerant
and remove the residue by flushing with compressed air and
nitrogen.
The products of refrigerant decomposition d ...
Refrigerant Circuit with Restrictor and Reservoir
1 -
A/C Compressor
2 -
Condenser
3 -
Restrictor
4 -
Evaporator
5 -
Reservoir with dryer bag
...