First read and observe the introductory information
and safety warnings

WARNING
Cleaning stowage compartments, drink holders and ash trays
Cleaning seat beltsSupport Mode with Battery Charger -VAS5903
General Information
The support mode provides the vehicle electrical system with
voltage when the battery is removed or disconnected.
For more information. Refer to Battery Charger -VAS5903-
Operating Instructions.
...
A/C without Magnetic Clutch with Torsion-Elastic Clutch
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...
Refrigerant in A/C Service station Container, Filling
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...