Mazda CX-9 2019 Owner's Manual page 12

No. Item
4 Volume knob:
Adjust the volume by turning the volume knob.
If you adjust the volume during a voice guidance, the
volume of the voice guidance changes.
5 Favorites button:
Displays the favorites screen. Press and hold the button to
store items in favorites.
6 Home button:
Displays the home screen.
7 Back button:
Returns to previous screen.
8 Navigation button:
Displays the navigation screen.
Explanation
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