
Turning the ignition key to MAR, the multifunction display shows the message “Check active”: the diagnostic phase of all the electronic systems on the car has started. This lasts few seconds: if no faults are detected, when the engine has started, the display shows the “Check OK” message. See section “Warning lights and messages” if faults are found.

Chevrolet Sonic. Dome Lamps
The dome lamp controls are in the headliner above the rear seats.
(Dome Lamp Override): Press to turn
the lamps off, even when a door is open.
(Door): When the button is returned
to the middl ...
Chevrolet Sonic. Additional Factors Affecting System Operation
Safety belts help keep the passenger in position on the seat during vehicle maneuvers
and braking, which helps the passenger sensing system maintain the passenger airbag
status. See “Safety Belt ...
Chevrolet Sonic. Arming the AlarmSystem
1. Close all doors, the trunk/liftgate, and the hood.
2. Lock the vehicle in one of two ways:
Use the RKE transmitter.
With a door open, press on the
interior of the door.
3. After 30 se ...