Audi Q5: A/C System, General Information
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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 careful study
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
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Fig. 26 Remote master key
Check light in the master key
The check light > fig. 26 in the master key
provides information about different conditions.
The check light comes on briefly once when a
button is pressed, and during an "inquiry" by
the convenience key system.
If the check light does
Side curtain airbags can work together with side
airbags to help reduce the risk of head and upper
torso injuries for occupants who are properly restrained.
Fig. 172 Illustration of principle: Inflated side curtain airbags
on the left side
The side curtain airbags inflate between the occupant
and t
