Audi A3  Self-help  Mobility  Changing a wheel
Fit the box spanner (provided in the vehicle's tool kit) as far as it will go over the wheel bolt1).
Turn the wheel bolt approx. one turn anti-clockwise -arrow-. To apply the necessary torque, hold the box spanner near the end. If the wheel bolt is very tight, you may be able to loosen it by pushing down the end of the spanner carefully with your foot. Hold on to the car for support and take care not to slip.
WARNING!
To avoid accidents, the wheel bolts should only be loosened slightly (one turn) before raising the vehicle with the jack*.
1) An adapter is required to unscrew or tighten the anti-theft wheel bolts Link.

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