See also:

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

Steering wheel switch for audio control (if so equipped)
Steering wheel switch for audio control (if so equipped) 1. Tuning switch 2. VOLUME control switch 3. SOURCE select switch ...

Troubleshooting guide
Verify the location of all Intelligent Keys that are programmed for the vehicle. If another Intelligent Key is in range or inside the vehicle, the vehicle system may respond differently than exp ...