| J285 | Control unit with display in dash panel insert |
| J401 | Navigation system with CD drive control unit |
| R94 | Navigation interface |
| R99 | Chip card reader unit (electronic logbook) |
| S237 | Fuse 37 in fuse box |
| T4au | 4-pin connector, black, connection for card reader, in glove box |
| T12f | 12-pin connector, at navigation interface |
| T17n | 17-pin connector, brown, connector point, A pillar, right |
| T17r | 17-pin connector, white, behind dash panel, centre |
| T20b | 20-pin connector, black, on navigation control unit |
| T32c | 32-pin connector, grey, on dash panel insert |
| 213 | Earth connection -4-, in dash panel wiring harness |
| A50 | Positive (+) connection (30a), in dash panel wiring harness |
| A148 | Connection (navigation CAN bus, high), in dash panel wiring harness |
| A149 | Connection (navigation CAN bus, low), in dash panel wiring harness |
| • | CAN bus (data wire) |
| * | Models with navigation system 'NS Low' |
| ** | Models with navigation system (RNS-D) |
