Audi Q3: 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 s
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - S
General Information
Caution
When handling refrigerant oil, pay attention to
local regulations.
Refrigerant oil mixes with the refrigerant (about 20-40%,
depending on compressor type a
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Information Electronics Control Module 1 -J794-
1 - Not Assigned
2 - 4-Pin Connector -T4u- to the External Audio Source
Connection -R199-/Internet Access Control Module - J666-
3 - 4-Pin Connector -T4al- to the Front Information Display
Control Head -J685-
4&nbs
Fig. 58 Lap/shoulder belt positioning
Fig. 59 Safety belt positioning for pregnant women
Fastened safety belts only offer optimal protection
during an accident and reduce the risk of serious
injury or death when they are positioned
correctly. Furthermore, the correct safety belt
position holds the