See also:

Traction Control OFF indicator light (green – STI)
The light illuminates when the Vehicle Dynamics Control mode switch is pressed briefly. For details, refer to “Traction mode”. ...

Adjustable level of each volume
...

Registering (pairing) device
1. Select the “PAIR AUDIO” menu by operating the “TUNE/TRACK/CH” dial. If a device is already registered, “MEMORY FULL” is displayed and the mode changes to the Bluetooth® audio setting mode. 2. Afte ...