| D | Ignition/starter switch |
| E221 | Operating unit in steering wheel |
| E440 | Multifunction buttons on left in steering wheel |
| E441 | Multifunction buttons on right in steering wheel |
| F138 | Airbag coil connector/return spring with slip ring |
| H | Horn plate |
| J234 | Airbag control unit |
| J285 | Control unit with display in dash panel insert |
| J453 | Multifunction steering wheel control unit |
| N95 | Driver side airbag igniter |
| S5 | Fuse in relay plate fuse holder |
| T3e | 3-pin connector, yellow, coupling station on left of A-pillar |
| T5 | 5-pin connector, yellow, behind steering column trim |
| T18m | 18-pin connector, black, on multifunction steering wheel control unit |
| T32b | 32-pin connector, green, on dash panel insert |
| T75 | 75-pin connector, on airbag control unit |
| 30 | Earth point 1, next to relay plate |
| 81 | Earth connection 1, in dash panel wiring harness |
| 135 | Earth connection 2, in dash panel wiring harness |
| A2 | Positive connection (15), in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), 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 |
| * | only models with radio 'Delta' and 'Gamma' |
| ** | with telephone and radio 'Delta' or radio/navigation system only |
| E20 | Illumination regulators - switches and instruments |
| E45 | Cruise control system switch, position 0 = On, position 1 = Reinstate /accelerate, Position 2 = Off with memory, position 2a = Off with no memory |
| J... | Engine control unit |
| J453 | Multifunction steering wheel control unit |
| S... | Fuse, dependent engine |
| S10 | Fuse in relay plate fuse holder |
| T10 | 10-pin connector, black, next to steering column |
| T15a | 15-pin connector, withe, on protective housing for control units, in left engine compartment |
| T18m | 18-pin connector, on multifunction steering wheel control unit |
| A19 | Connection (58d), in dash panel wiring harness |
| A98 | Positive connection 4 (30), in dash panel wiring harness |
| A130 | Connection (cruise control system), in dash panel wiring harness |
| * | only models with radio 'Delta' and 'Gamma' |
| ** | without telephone only |
| *** | only models with radio 'Delta' and telephone |
| H2 | Treble tone horn |
| H7 | Bass tone horn |
| J4 | Dual tone horn relay |
| J59 | X-contact relief relay |
| J453 | Multifunction steering wheel control unit |
| R | Radio |
| S240 | Fuse in fuse holder |
| T6f | 6-pin connector, green, on radio |
| T6k | 6-pin connector, red, coupling station right A-pillar |
| T10t | 10-pin connector, red, coupling station right A-pillar |
| T16 | 16-pin connector, near handbrake lever, self-diagnosis connection |
| T18m | 18-pin connector, on multifunction steering wheel control unit |
| 43 | Earth point, lower part of right A-pillar |
| 44 | Earth point, lower part of left A-pillar |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A90 | Connection (dual tone horn), in dash panel wiring harness |
| * | only models with radio 'Delta' and 'Gamma' |