| D | Ignition/starter switch |
| J218 | Combi-processor in dash panel insert |
| J412 | Operating electronics control unit, telephone |
| R | Radio |
| R11 | Aerial |
| R38 | Telephone microphone |
| R39 | Loudspeaker for telephone |
| N235 | Protection resistor |
| T2z | 2-pin connector, at A pillar, left |
| T8a | 8-pin connector, brown, on radio |
| T10k | 10-pin connector, red, on radio |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 49 | Earth point, next to steering columm, left |
| 270 | Earth connection, in telephone wiring harness |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| B145 | Positive (+) connection (58b), in interior wiring harness |
| V15 | Connection, in telephone wiring harness |
| * | Only models with radio (only with provision for mobile telephone) |
| ** | Only models with radio (without provision for mobile telephone) |
| *** | Applicable from 4/98 |
| **** | Only models with radio Bose sound system |
| ***** | Does not apply to models with radio |