Audi A4 Owners & Service Manuals

Audi A4: Starting and driving

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 Personalization

Users General information Applies to: vehicles with personalized user settings Depending on vehicle equipment and your country, your vehicle may be able to manage various users in the MMI. Each user w

 Opening and closing

 Central locking

General information WARNING If you leave the vehicle, switch the ignition off and take the key with you. This applies particularly when children remain in the vehicle. Otherwise, children could s

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 Rear Bumper

Overview - Rear Bumper Cover, Standard Equipment Overview - Bumper Cover 1 -  Bumper Cover Lower Section There are different versions. Refer to the Parts Catalog. Removing and installing. Refer to → Chapter "Bumper Cover Lower Section, Removing and Installing". 2 -  Re

 Refrigerant R134a

Refrigerant R134a Physical Data Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as refrigerant. The refrigerant used is tetrafluoroethane R134a, which boils at -26.5 ºC (-15.7 ºF) at

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