Introduction
The purpose of this repair manual is to provide service
advisors and technicians with the basic knowledge needed to
ensure professional and competent procedures.
Note
Only the c
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - Solid
Refrigerant R134a Physical Data
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 ref
Operating the panoramic glass roof and
roof sunshade
Applies to: vehicles with panoramic glass roof and roof sunshade
Fig. 33 Headliner: panoramic glass roof and sunshade buttons
The control buttons are equipped with a twostage
function.
Operating the roof sunshade
The roof sunshade cannot be clos