Adapter for retrofitting an LED license plate light for Audi A6 4F, Q7 4L When retrofitting an original Audi license plate light to LED, some vehicles report a fault in the on-board computer - "license plate light defective" No error message is displayed when using this adapter Among other things required for the following vehicles: Audi A6 4F Audi Q7 4L Scope of delivery: 1 x adapter (only one required)