Engine compartment layoutEngine compartment layout  - Engine compartment layout - Checking and topping up fluids - General maintenance - Audi A4 Owner's Manual - Audi A4

Main components for checking and refilling

Typical locations of fluid containers, engine oil dipstick and

Typical locations of fluid containers, engine oil dipstick and engine oil filler cap

  1. Jump-start terminal (+) under a cover
  2. Brake fluid reservoir (Engine oil filler cap ())
  3. Engine oil filler cap (Engine oil dipstick* (orange))
  4. Engine oil dipstick* (orange)
  5. Radiator expansion tank (Jump-start terminal (-) with hexagon head)
  6. Jump-start terminal (-) with hexagon head
  7. Windscreen washer container (Hydraulic fluid reservoir for power steering)
  8. Hydraulic fluid reservoir for power steering

The positions of the engine oil filler cap and the engine oil dipstickgggggg 256, fig. 252 (items 3 and 4) may be different on some engine versions.