Frequently asked questions
IntroductionFlat Spots, Correcting
Flat spots cannot be removed from tires with workshop
equipment.
Such flat spots can be "driven out" only by driving the car
until the tires are warm.
We do not recommend the following method during ...
Starting the engine
First read and observe the introductory information
and safety warnings
The steps should only be carried out in the specified order.
Step
Vehicles with a manual gearbox
Vehicles with an automatic gearbox
1.
...
Refrigerant R134a Environmental Information
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as refrigerant.
The refrigerant employed is tetrafluoroethane R134a, which
bo ...