See also:

Call volume
Call volume can be only be adjusted during a call. Use the buttons in the steering wheel keypad or the infotainment system’s VOL control. ...

Changing the set speed
After a speed has been set, it can be increased or decreased by using the or buttons. Each time one of these buttons is pressed, the vehicle's speed changes by 5 mph (approximately 8 km/h). ...

Reverse
The vehicle must be stationary when position R is selected. ...