High Level (Overfilling)
WARNING:
The oil may be very hot if the car has just been driven. Avoid skin contact with the transmission fluid.
WARNING:
The transmission must not be operated if the oil level is too high. This can cause increased operating temperatures and oil leakage.
Drain off oil
Undo the drain plug.
Allow some of the oil to drain out and reinstall the plug. Tighten to 40 Nm .
Check the level taking account of the temperature. See Conditions , Preparing to check the oil level and Move the gear selector through all positions. Wait in each position for approximately 3 seconds .
The oil can also be sucked out through the dipstick pipe using an oil suction syringe with a narrow gauge hose.
NOTE:
Strict cleanliness is important.