See also:

Oil volume
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Stowing the two-stage integrated booster cushion
The booster cushion can be folded down completely (stowed) from either the stage 1 or stage 2 positions. NOTE The booster cushion cannot be moved from the stage 2 (upper) position to the sta ...

Engine Drag Control (EDC)
EDC helps keep the engine running if the wheels show a tendency to lock, e.g., when shifting down in the Geartronic manual shifting mode or while using the engine's braking function on a slipp ...