Audi A4: Battery, Starter, Generator, Cruise Control

 A/C System, Operating after Charging

  Note If the mechanically driven Air Conditioning (A/C) compressor was removed, rotate it approximately 10 times by hand before using it for the first time (during or after installing, for example before installing the belt) to prevent damage caused by liquid impact when first switched

 ATF

ATF Level, Checking Special tools and workshop equipment required Vehicle Diagnostic Tester Used Oil Collection and Extraction Unit -SMN372500- Pressurized Gearbox Oil Filler Kit -VAS6617- with Pressurized Gearbox Oil Filler - Hand Pump -VAS6617/1- and Pressurized Gearbox Oil Filler - Adapter