HFL Buttons

HFL TALK button (A): Use this button on the steering wheel to give commands. Press the button before a voice command is given.
HFL BACK button (B): Use this button on the steering wheel to end a call or return to a previous prompt in the HFL menu. Pressing the button twice or holding it down returns you to the idle.

Fig 1: Identifying HFL Talk Button And HFL Back Button
Courtesy of AMERICAN HONDA MOTOR CO., INC.