| D | Ignition/starter switch |
| F4 | Reversing light switch |
| J104 | ABS and EDL control unit |
| J285 | Control unit with display in dash panel insert |
| J503 | Control unit with display for radio and navigation |
| S237 | Fuse in fuse holder |
| T8 | 8-pin connector, black |
| T10m | 10-pin connector, on control unit for radio and navigation with monochrome display |
| T10w | 10-pin connector |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| 501 | Screw connection 2 (30), on relay plate |
| 610 | Earth point (audio), in front under centre console |
| A2 | Positive connection (15), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness ** |
| A87 | Connection (RF (reversing light)), in dash panel wiring harness |
| A127 | Connection (rear left speed sensor), in dash panel wiring harness* |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness * |
| A147 | Connection (convenience CAN bus, low), in dash panel wiring harness * |
| * | From May 2003 |
| ** | Up to May 2003 |
| E20 | Switches and instruments illumination regulator |
| J503 | Control unit with display for radio and navigation |
| R20 | Front left treble loudspeaker |
| R21 | Front left bass loudspeaker |
| R22 | Front right treble loudspeaker |
| R23 | Front right bass loudspeaker |
| T4 | 4-pin connector, black, coupling station right A-pillar |
| T4a | 4-pin connector, black, coupling station right A-pillar |
| T4b | 4-pin connector, black, coupling station, left A pillar |
| T4c | 4-pin connector, black, coupling station left A-pillar |
| T8 | 8-pin connector, black |
| T8a | 8-pin connector, brown |
| T8c | 8-pin connector, black, coupling station left A-pillar |
| T8d | 8-pin connector, black, coupling station right A-pillar |
| T16 | 16-pin connector, diagnostic socket near handbrake lever |
| A19 | Connection (58d), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| J412 | Mobile telephone operating electronics control unit |
| J503 | Control unit with display for radio and navigation |
| L76 | Button illumination |
| R14 | Rear left treble loudspeaker |
| R15 | Rear left bass loudspeaker |
| R16 | Rear right treble loudspeaker |
| R17 | Rear right bass loudspeaker |
| R50 | Navigation aerial (GPS) |
| R51 | Radio and telephone aerial |
| T1 | Single connector, near roof aerial |
| T1a | Single connector, near roof aerial |
| T1b | Single connector, near roof aerial |
| T4 | 4-pin connector, black, coupling station right A-pillar |
| T4b | 4-pin connector, black, coupling station, left A-pillar |
| T6c | 6-pin connector, red, coupling station left B-pillar |
| T6d | 6-pin connector, red, coupling station right B-pillar |
| T8a | 8-pin connector, brown |
| T8c | 8-pin connector, black, coupling station left A-pillar |
| T8d | 8-pin connector, black, coupling station right A-pillar |
| * | Only models with telephone |
| ** | From May 2003 |