A4 Mk3
| Navigation system (up to week 44/08) - layout |
| 1 - | Traffic data aerial -R173- on windscreen (top centre) |
| 2 - | Chip card reader control unit -J676- in glove box |
| 3 - | Navigation system with CD drive control unit -J401- behind luggage compartment side trim (left-side) |
| 4 - | Telephone transmitter and receiver unit -R36- beneath front seat (right-side) |
| 5 - | Connector cable for mobile telephone -R54- in centre console storage compartment |
| 6 - | Microphone unit in front roof module -R164- (telephone microphone -R38-) in front interior light -W1- |
| 7 - | Control unit for front display and information control panel -J523- behind dash panel |
| 8 - | Display unit for front information display and operating unit control unit -J685- in dash panel (centre) |
| 9 - | Multimedia system operating unit -E380- in centre console |
| 10 - | Aerial amplifier 2 -R111- at D-pillar (right-side) |
| 11 - | Radio, telephone and navigation system aerial -R52- (roof aerial) |