Audi A4: Steering

 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

 Refueling

Messages The following messages may appear depending on the vehicle equipment: Messages If the indicator light appears with a corresponding message, refuel the vehicle. Tank system: malfunction! Please contact Service There is a malfunction in the fuel tank system. Drive to an authorized Audi d