| D | Ignition/starter switch |
| R36 | Telephone transmitter and receiver unit |
| R37 | Telephone handset |
| R38 | Telephone microphone |
| S5 | Fuse in fuse box |
| S8 | Fuse in fuse box |
| T3as | 3-pin connector, blue, connector point, A pillar, left |
| T8h | 8-pin connector, for telephone handset, in centre console |
| T15s | 15-pin connector, blue, connector point, A pillar, left |
| T15t | 15-pin connector, grey, connector point left A-pillar |
| 44 | Earth point, lower part of left A-pillar |
| 270 | Earth connection, in telephone wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| V16 | Connection (screening), in telephone wiring harness |
| J453 | Multi-function steering wheel control unit |
| R | Radio |
| R1 | Aerial connection |
| R24 | Aerial amplifier |
| R36 | Telephone transmitter and receiver unit |
| R37 | Telephone handset |
| R45 | Aerial amplifier (telephone/radio) |
| R51 | Radio/telephone/auxiliary heater aerial |
| R52 | Radio/telephone/navigation aerial |
| T8h | 8-pin connector, for telephone handset, in centre console |
| T15s | 15-pin connector, blue, connector point, A pillar, left |
| 270 | Earth connection, in telephone wiring harness |
| * | Models with rod aerial |
| ** | Models with insulating glass |
| *** | Roof aerial (Avant models) |
| # | Models with multi-function steering wheel |
| J401 | Navigation system with CD drive control unit |
| J402 | Operating electronics control unit, navigation |
| R | Radio |
| R36 | Telephone transmitter and receiver unit |
| R39 | Telephone/navigation systems loudspeaker |
| T2av | 2-pin connector, black, for loudspeaker, B pillar, left |
| T6x | 6-pin connector, green, radio connector I - 2 |
| T8e | 8-pin connector, brown, radio connector II |
| T8f | 8-pin connector, black, radio connector III |
| T10x | 10-pin connector, green, connector point, A pillar, right |
| T10z | 10-pin connector, red, radio connector IV |
| T15s | 15-pin connector, blue, connector point, A pillar, left |
| T15w | 15-pin connector, green, connector point, A pillar, right |
| T20b | 20-pin connector, black, on navigation control unit |
| * | Models with radio |
| ** | Models with navigation system |
| *** | Models with radio navigation system |
| # | Models without radio |
| ## | Models with radio Bose sound system |
