A4 Mk3
| Bluetooth hands-free system (CAN) - layout |

| 1 - | Radio -R- in dash panel |
| 2 - | Sound systems |
| 3 - | Aerial for Bluetooth -R152- on telephone transmitter and receiver unit -R36- |
| 4 - | Telephone transmitter and receiver unit -R36- beneath front seat (right-side) |
| 5 - | Microphone unit in front roof module -R164- (front right microphone -R141-) in front interior light -W1- |
