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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Applies to vehicles: with hybrid drive
The vehicle is equipped with two 12 volt batteries
and a high voltage battery.
If the 12 volt batteries are dead, they may be
charged with a charger or the vehicle may be
jump started with assistance from another vehicle
in the same way as a conventional vehic
Fig. 47 Fog light switch
To turn on the fog lights ,
press button 1
> fig. 47.
To turn on the rear fog lights
, press button 2.
Fog Lights
The side marker lights or low beams must be
switched on. When the fog lights are switched
on, the green check light at the edge of the
switch comes on
