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
A/C System Control and Regulation Information
Note
Depending on vehicle equipment, there are different versions
of the A/C system for the Audi Q7. Make sure to use the correct
version and pay attention to the allocation of different
components. Refer to
→ Chapter "A/C System Ver
Overview - Lane Change Assistance
1 - Lane Change Assistance Warning Lamp in Driver Exterior Rearview
Mirror -K233-
Removing and installing. Refer to
→ Chapter "Lane Change Assistance Warning Lamp In Driver and Front
Passenger Exterior Rearview Mirror -K233-/-K234-, Removing