Audi Q3 Owners & Service Manuals

Audi Q3: A/C System, General Information

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  Introduction

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

  A/C Technology Basic Principles

Physical Principles The four known states of water also apply to air conditioning system refrigerants. 1 - Gaseous (invisible) 2 - Vapor 3 - Liquid 4 - S

  Refrigerant Oil

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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  Steering wheel heating

Switching on and off Applies to: vehicles with steering wheel heating Press the button on the multifunction steering wheel to switch the steering wheel heating on and off. Messages Applies to: vehicles with steering wheel heating The following messages may appear depending on the vehicle equ

  Battery, Charging

Preparing for Charging, Engine Compartment Battery Procedure   WARNING Risk of explosion on discharged battery with "Visual indicator". If the "Visual indicator" has no color or is light yellow, the battery may not be tested or charged. Jump starting must not be used! There is a ri

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