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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  Ignition key

Applies to: vehicles with ignition lock Fig. 80 Steering column: ignition lock Starting the engine Press the brake pedal. Insert the ignition key into the ignition lock. Turn the key briefly to position 2. The ignition key automatically returns to position 1. Do not press the accelerator peda

  Driver intervention request

Applies to: vehicles with adaptive cruise assist Fig. 105 Instrument cluster: request for driver intervention The request for driver intervention instructs you to resume manual control of the vehicle if the adaptive cruise assist braking function is not able to maintain a sufficient distance to the

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