
The volume of the buzzer accompanying any failure/warning indication can be adjusted according to 8 levels. The buzzer can be adjusted and, in certain cases, it cannot be excluded. To adjust the volume proceed as follows:

Chevrolet Sonic. Turning the System On or Off
/VOL (Power/Volume): Press to turn
the system on and off.
Automatic Switch-Off
If the infotainment system is on after the ignition is turned off, the system
will turn off automatically after 10 ...
Chevrolet Sonic. Trunk (Sedan)
Warning
Exhaust gases can enter the vehicle if it is driven with the liftgate, hatch/trunk
open, or with any objects that pass through the seal between the body and the hatch/trunk
or liftgate. E ...
Chevrolet Sonic. Safety Belt Extender
If the vehicle's safety belt will fasten around you, you should use it.
But if a safety belt is not long enough, your dealer will order you an extender.
When you go in to order it, take the heavies ...