| R | Radio |
| R41 | CD changer |
| T8a | 8-pin connector, on radio |
| T12f | 12-pin connector, on CD changer |
| T20 | 20-pin connector, yellow/green/blue, on radio |
| 45 | Earth point, behind dash panel - centre |
| 255 | Earth connection -1-, in radio wiring harness |
| V14 | Connection (screening), in CD changer wiring harness |
| E20 | Switches and instruments, lighting control |
| R | Radio |
| R20 | Treble loudspeaker, front left |
| R21 | Bass loudspeaker, front left |
| R22 | Treble loudspeaker, front right |
| R23 | Bass loudspeaker, front right |
| T6c | 6-pin connector, on lighting control/adjuster headlight range |
| T8a | 8-pin connector, on radio |
| T8d | 8-pin connector, on radio |
| T10i | 10-pin connector, black, connector point, left A pillar |
| T10r | 10-pin connector, black, connector point, right A pillar |
| A4 | Positive (+) connection (58b), in dash panel wiring harness |
| J285 | Control unit with display in dash panel insert |
| J412 | Mobile phone operating electronics control unit |
| J499 | Telematics control unit |
| R | Radio |
| R4 | Loudspeaker, rear left |
| R5 | Loudspeaker, rear right |
| T8a | 8-pin connector, on radio |
| T8d | 8-pin connector, on radio |
| T16 | 16-pin connector, diagnostic connector |
| T18 | 18-pin connector, on operating electronics control unit, mobile telephone |
| T20 | 20-pin connector, yellow/green/blue, on radio |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| T40 | 40-pin connector, on telematics control unit |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| B155 | Connection -2- (TK (door contact)), in interior wiring harness |
| * | Only models with telematics |
| ** | Only models with telephone |
| *** | Depends on equipment |
| D | Ignition/starter switch |
| J285 | Control unit with display in dash panel insert |
| R | Radio |
| R11 | Aerial |
| R24 | Aerial amplifier |
| S237 | Fuse in fuse box |
| S242 | Fuse in fuse box |
| T1 | Single connector, near sunroof aerial |
| T5 | 5-pin connector, black, connector point, left C pillar |
| T8a | 8-pin connector, on radio |
| T32 | 32-pin connector, blue, on dash panel insert |
| Z24 | Heated rear window with window aerial |
| 50 | Earth point, on left luggage compartment |
| 98 | Earth connection, in tailgate/bootlid wiring harness |
| 500 | Screw connection -1- (30), on relay plate |
| A21 | Connection (86s), in dash panel wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| B180 | Connection (heated rear window), in interior wiring harness |
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