| A | Battery |
| J285 | Control unit with display in dash panel insert |
| J402 | Operating electronics control unit, navigation |
| S92 | Radio fuse |
| T8 | 8-pin connector, black, radio connector III |
| T15 | 15-pin connector, black, in centre console |
| T16a | 16-pin connector, diagnosis connection |
| T32b | 32-pin connector, grey, on dash panel insert |
| TV2 | Terminal 30 junction box |
| 255 | Earth connection -1-, in radio wiring harness |
| A19 | Connection (58s), in dash panel wiring harness (switch illumination) |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| V26 | Connection (speed signal), in navigation wiring harness |
| V36 | Connection (58), in radio wiring harness |
| V37 | Positive (+) connection (30), in communication systems wiring harness |
| V40 | Connection (diagnosis wire K), in communication systems wiring harness |
| * | Models with 10 loudspeakers |
| ** | Models with radio Bose sound system |
| D | Ignition/starter switch |
| J104 | ABS with EDL control unit |
| J402 | Operating electronics control unit, navigation |
| S2 | Fuse in fuse carrier |
| T3as | 3-pin connector, black, in centre console |
| T8 | 8-pin connector, black, radio connector III |
| T10e | 10-pin connector, green, footwell, right, at wheelhouse, behind carpet |
| T10s | 10-pin connector, black, footwell, right, at wheelhouse, behind carpet |
| T12 | 12-pin connector, connector plug A at V94 |
| T15 | 15-pin connector, black, in centre console |
| T16 | 16-pin connector, connector plug C at V94 |
| T26c | 26-pin connector, black, on operating electronics control unit, navigation |
| V94 | Central locking motor with control unit for interior lights switch-off delay and anti-theft alarm system |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| V23 | Positive (+) connection (15a), in navigation wiring harness |
| F4 | Reversing light switch |
| F125 | Multi-function switch |
| J402 | Operating electronics control unit, navigation |
| M16 | Reversing light bulb, left |
| M17 | Reversing light bulb, right |
| R41 | CD changer |
| T8a | 8-pin connector, blue, radio connector I - 3 |
| T10 | 10-pin connector, blue, connector point, electronics box, plenum chamber |
| T10ab | 10-pin connector, black, on gearbox |
| T15 | 15-pin connector, black, in centre console |
| T26c | 26-pin connector, black, on operating electronics control unit, navigation |
| 45 | Earth point, behind dash panel-centre |
| 255 | Earth connection -1-, in radio wiring harness |
| A87 | Connection (RF (reversing light)), in dash panel wiring harness |
| V14 | Connection (screening), in CD changer wiring harness |
| V31 | Connection (RF (reversing light)), in radio wiring harness |
| * | Models with manual gearbox |
| ** | Models with automatic gearbox |
| # | Models with CD changer |
| J402 | Operating electronics control unit, navigation |
| J412 | Operating electronics control unit, telephone |
| J526 | Telephone/telematics control unit |
| R1 | Aerial connection |
| R21 | Bass loudspeaker, front left |
| R23 | Bass loudspeaker, front right |
| R26 | Middle-high tone loudspeaker, front left |
| R27 | Middle-high tone loudspeaker, front right |
| R48 | Wide band loudspeaker, rear shelf, left |
| R49 | Wide band loudspeaker, rear shelf, right |
| R50 | Navigation aerial (GPS) |
| T2ax | 2-pin connector, in boot lid |
| T8 | 8-pin connector, black, radio connector III |
| T8b | 8-pin connector, brown, radio connector II |
| T10ae | 10-pin connector, on telephone/telematics control unit, connector 2 |
| T18a | 18-pin connector, (VDA connector), on operating electronics control unit, telephone |
| V27 | Connection (mute circuit), in navigation wiring harness |
| * | Models with 6 loudspeakers |
| ** | Models with 10 loudspeakers |
| *** | Models with telephone, telematics |
| # | Models with mobile phone |
| J402 | Operating electronics control unit, navigation |
| R15 | Bass loudspeaker, rear left |
| R17 | Bass loudspeaker, rear right |
| R34 | Middle-treble tone loudspeaker, rear left |
| R35 | Middle-treble tone loudspeaker, rear right |
| R43 | Amplifier with bass loudspeaker (luggage compartment, right) |
| R44 | Amplifier with bass loudspeaker (luggage compartment, left) |
| T2ca | 2-pin connector, on amplifier with bass loudspeaker, right |
| T2cb | 2-pin connector, on amplifier with bass loudspeaker, left |
| T6g | 6-pin connector, yellow, radio connector I - 1 |
| 51 | Earth point, luggage compartment, right |
| 280 | Earth connection, in communication systems wiring harness |
| V18 | Connection (negative (-), rear loudspeaker) in loudspeaker wiring harness |
| * | Models with 10 loudspeakers |
| J402 | Operating electronics control unit, navigation |
| R15 | Bass loudspeaker, rear left |
| R17 | Bass loudspeaker, rear right |
| R21 | Bass loudspeaker, front left |
| R23 | Bass loudspeaker, front right |
| R26 | Middle-high tone loudspeaker, front left |
| R27 | Middle-high tone loudspeaker, front right |
| R34 | Middle-treble tone loudspeaker, rear left |
| R35 | Middle-treble tone loudspeaker, rear right |
| R44 | Amplifier with bass loudspeaker (luggage compartment, left) |
| T6g | 6-pin connector, yellow, radio connector I - 1 |
| 75 | Earth point, rear pillar, right |
| 133 | Earth connection, in loudspeaker wiring harness |
| 280 | Earth connection, in communication systems wiring harness |
| * | Radio Bose sound system |
| J402 | Operating electronics control unit, navigation |
| J412 | Operating electronics control unit, telephone |
| J415 | Navigation/TV tuner |
| J453 | Multi-function steering wheel control unit |
| J526 | Telephone/telematics control unit |
| T6h | 6-pin connector, green, radio connector I - 2 |
| T11 | 11-pin connector, black, on navigation control unit |
| T15 | 15-pin connector, black, in centre console |
| T46 | 46-pin connector, on telephone/telematics control unit, connector 1 |
| T54 | 54-pin connector, black, on navigation/TV tuner |
| V49 | Connection (low frequency, NF +), in communication wiring harness |
| V50 | Connection (low frequency, NF -), in communication wiring harness |
| * | Models with mobile phone |
| ** | Models with telephone, telematics |
| *** | Models with multi-function steering wheel |
| # | Models with TV tuner |
| J402 | Operating electronics control unit, navigation |
| J415 | Navigation/TV tuner |
| J515 | Aerial selection control unit |
| R1 | Aerial connection |
| R94 | Navigation interface |
| T10q | 10-pin connector, red, in centre console |
| T12a | 12-pin connector, at navigation interface |
| T26c | 26-pin connector, black, on operating electronics control unit, navigation |
| T54 | 54-pin connector, black, on navigation/TV tuner |
| 280 | Earth connection, in communication systems wiring harness |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| • | CAN bus (data wire) |
| * | Models with TV tuner |
| J285 | Control unit with display in dash panel insert |
| J415 | Navigation/TV tuner |
| J515 | Aerial selection control unit |
| R94 | Navigation interface |
| R99 | Chip card reader unit |
| T3ba | 3-pin connector, black, on aerial selection control unit |
| T10q | 10-pin connector, red, in centre console |
| T12a | 12-pin connector, at navigation interface |
| T32a | 32-pin connector, green, on dash panel insert |
| 280 | Earth connection, in communication systems wiring harness |
| A148 | Connection (navigation CAN bus, high), in dash panel wiring harness |
| A149 | Connection (navigation CAN bus, low), in dash panel wiring harness |
| E105 | Earth connection, in dash panel wiring harness, left |
| • | CAN bus (data wire) |
| * | Models with TV tuner |
| ** | Models with chip card reader unit (electronic logbook) |