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Home >> Audi >> 2003 >> A8 Quattro >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> On Board Diagnostic (OBD) >> Anti-theft immobilizer, On Board Diagnostic >> General information >> Function >> Notes for use and adaptation of vehicle key

Notes for use and adaptation of vehicle key

Engine will only start when an authorized vehicle key is used, i.e. on of the keys adapted to the immobilizer.

During adaptation of the vehicle keys (see ADAPTATION OF VEHICLE KEYS  ), all vehicle keys, including replacement and emergency keys, must always be adapted to the immobilizer.

If new or extra vehicle keys are required, adaptation of all vehicle keys must be performed.

If adaptation cannot be performed for all vehicle keys, for example, key lost during a trip, the customer must be informed that adaptation must eventually be performed for any and all vehicle keys.

Especially when a key has been lost, all vehicle keys should be re-adapted, since this will render the lost key unauthorized for vehicle start.