A4 Mk2
| Mobile phone system (up to MY 02) |
| 1 - | Telephone bracket -R126- with mobile telephone -R54- on top of dash panel |
| 2 - | Internal loudspeaker -R70- (only on vehicles without radio) in dash panel (front centre) |
| 3 - | Radio -R- in centre console (top) |
| 4 - | Sound systems |
| 5 - | Mobile telephone operating electronics control unit -J412- in electronics box beneath front seat (right-side) |
| 6 - | Telephone microphone -R38- in front interior light -W1- |
| 7 - | Aerial amplifier for mobile telephone -R86- behind luggage compartment side trim (right-side) |
| 8 - | Telephone aerial -R65- (Saloon): behind roof end trim; (Avant): roof aerial |
