A4 Mk3
| Overview of keyless entry system |

| 1 - | Entry and start authorisation button -E408- |
| q | Fitting location for MMI basic equipment: in cover for centre console |
| q | Fitting location for MMI convenience equipment: in mounting frame for multimedia system operating unit -E380- |
| q | Removing and installing → Chapter |
| 2 - | Electronic steering column lock control unit -J764- |
| q | Removing and installing → Rep. gr.48 |
| 3 - | Front passenger's exterior door handle |
| q | With contact sensor for front right exterior door handle -G606- |
| q | Exploded view → Chapter |
| 4 - | Rear exterior door handle (passenger side) |
| q | With rear right door exterior door handle touch sensor -G418- |
| q | Exploded view → Chapter |
| 5 - | Convenience system central control unit -J393- |
| q | Fitting location: behind luggage compartment side trim (right-side) |
| q | Removing and installing → Chapter |
| 6 - | Luggage compartment aerial for entry and start authorisation -R137- |
| q | Fitting location: on luggage compartment rear cross panel (left-side) |
| q | Removing and installing → Chapter |
| 7 - | Central locking and anti-theft alarm system aerial -R47- |
| q | Integrated in rear window |
| q | Removing and installing → Rep. gr.91 |
| 8 - | Rear exterior door handle (driver side) |
| q | With rear left door exterior door handle touch sensor -G417- |
| q | Exploded view → Chapter |
| 9 - | Left aerial for entry and start authorisation -R200- |
| q | Fitting location: on rear left door |
| q | Removing and installing → Chapter |
| 10 - | Driver's exterior door handle |
| q | With contact sensor for front left exterior door handle -G605- |
| q | Exploded view → Chapter |
| 11 - | Interior aerial 1 for entry and start authorisation -R138- |
| q | Fitting location: beneath front centre console |
| q | Removing and installing → Chapter |
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