Description And Operation: Description
| 1 | Phone | Answer call Start a call Open recent calls list |
| 2 | Volume | Adjust volume (turn) Mute/Unmute (press) Enable mute during call |
| 3 | Seek +/- Buttons | Next track Next radio station |
| 4 | Voice Recognition | Open/Close voice control session |
The remote radio switches can not be adjusted or repaired and, if ineffective or damaged, the entire switch unit must be replaced.