Audi Q5: A/C System, General Information
READ NEXT:
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
SEE MORE:
Applies to vehicles: with Audi side assist
Fig. 131 Driver's door: Side assist button
Press the button to switch the system on/off. The
LED in the button turns on when side assist is
switched on.
Adjusting the display brightness
Applies to vehicles: with Audi side assist
The signal brightness
General information
Applies to vehicles: with selective catalytic reduction
In vehicles with selective catalytic reduction, a urea solution (AdBlue) is
injected into the exhaust system before a nitrogen oxide catalytic converter to
reduce nitrogen emissions.
The AdBlue is carried in a separate ta
