Thebattery in the Audi A4 is located underneath the spare tire. Open the trunk and pull up the floor panel. Twist the large wingnut counterclockwise, then pull up the spare tire. Pull up the spare tire tray and set it aside. Lift the tool tray and set it aside.
Step1 – Connect positive cable. Connect the positive cable to the working car's positive battery terminal, then connect it to the dead 1999Audi A4 1.8t is not crank or start. It is a manual transmission, so if you pop the clutch it will turn on. Figured it was the starter, changed it out and still nothing. No start, no crank, battery is good, even tried jump starting it. Just don't really know what to check from this point. Where is the starter relay located on this vehicle? TUA2.