See also:

Audio volume and automatic volume control
The infotainment system compensates for disrupting noises in the passenger compartment by increasing the volume according to the speed of the vehicle. The level of sound compensation can be set at ...

Seeing, Being Seen & Being Heard
Visibility is good in the C30, even bordering on exceptional. I didn't find any objectionable blind spots, though the side mirrors could be a bit larger. In addition to being a distinguishing des ...

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). ...