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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Switching the lights on and off
Fig. 37 Instrument panel: light button module
Light switch
Press and hold 1 until the desired light function
is selected. The selected function is displayed
briefly in the instrument cluster. When switching
on the ignition, the AUTO light function is automaticall
Selecting the radio
Fig. 136 Center display: FM station list
Fig. 137 Center display: SiriusXM station list
Depending on the vehicle equipment, the radio
may support the FM, AM, and SiriusXM (satellite
radio) frequency bands. Using the HD Radio receiver
also allows you to receive radio stations
on