| Function | Size | Colour |
| Driver ID Plug | 128 bytes | Blue |
| Driver ID Plug | 128 bytes | Yellow |
| Co-driver Plug | 128 bytes | Orange |
| Passenger | 128 bytes | Black |
| Calibration Plug | 128 bytes | Purple |
| FM Data Plug | 32kB | Green |
| FM Data Plug | 96kB | Green |
| FM Data Plug | 256kB | Green |
| HOS Code Plug | 256kB | Red |
Storage capacity of various plug types
