▷ Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed.
▷ Always say commands in the language of the voice activation system.
▷ When selecting a radio station, use the common pronunciation of the station name:

›Station ...‹ e. g. Classic Radio station ▷ Keep the doors, windows, and glass sunroof closed to prevent noise interference.

▷ Avoid making other noise in the vehicle while speaking.