Audi A4 Owners & Service Manuals

Audi A4: Infotainment system

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 Telephone

 Introduction

Applies to: vehicles with telephone You can operate various telephone functions easily through the MMI in your vehicle. Depending on the country and the vehicle equipment, the following options may b

 Using the Audi phone box

General information Applies to: vehicles with Audi phone box Fig. 135 Front center console: Audi phone box with connections Depending on vehicle equipment, you may be able to use the following functi

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 Panoramic glass roof

Operating the pa mic glass roof and roof sunshade Applies to: vehicles with panoramic glass roof and roof sunshade Fig. 41 Headliner: panoramic glass roof and sunshade* buttons The control buttons are equipped with a twostage function. When tilting or opening the roof, the roof sunshade will open

 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 - Solid When water is heated in a container (heat absorption), water vapor can be seen to rise. If the vapo

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