A3 Mk1
| Radio button assignment |
| 1 - | Tiptronic |
| q | “+” change-up |
| q | “-” change-down |
| 2 - | Increase volume |
| 3 - | Reduce volume |
| 4 - | Telephone call |
| q | Make call |
| q | Answer call |
| q | End call |
| 5 - | Station button, up |
| 6 - | Station button, down |
| 7 - | Telephone/radio selection |
| 8 - | Search, down |
| 9 - | Search, up |
