Update settings wallpaper
Using the smart phone app in the car will be safer and more convenient.
E.g:
The Disc mode can control the playback, pause, previous track, and next track of the video disc.
The radio mode can scan/store/channel to adjust the necessary radio frequencies.
AUX mode allows external audio input to the host.
BT Music mode can control the playback, pause, previous song, next song of music.
