| J503 | Control unit with display for radio and navigation system |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnosis interface |
| R | Radio |
| R199 | Connection for external audio sources |
| R215 | Interface for external multimedia unit, under front centre armrest |
| T3at | 3-pin connector, rear centre console |
| T4bj | 4-pin connector, under front centre armrest* |
| T12 | 12-pin connector |
| T12t | 12-pin connector |
| T16b | 16-pin connector |
| T20 | 20-pin connector |
| T30 | 30-pin connector |
| |
| 370 | Earth connection 5, in main wiring harness |
| 371 | Earth connection 6, in main wiring harness |
| A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
| A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
| * | USB connection for multimedia |