See also:

Map Scales
+ / − (Zoom In/Zoom Out): Press the zoom in or out screen buttons or the scale on the bar to change the level of map detail. The scale appears on the screen once the zoom in or zoom out scre ...

Volume Control
VOL/ (Volume/Power): Turn clockwise or counterclockwise to increase or decrease the volume. ...

Trip Odometer
The trip odometer can show how far the vehicle has been driven since the trip odometer was last set to zero. For more information see “Trip Odometer” under Driver Information Center (DIC)  . ...