
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. Seat Adjustment
Manual Seats
Warning
You can lose control of the vehicle if you try to adjust a driver seat while
the vehicle is moving. Adjust the driver seat only when the vehicle is not moving.
To adjust a ...
Chevrolet Sonic. Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is
not working, the remaining circuit can still work to stop the vehicle. For normal
braking performance, both circuits ...
Chevrolet Sonic. Collision Damage Repair
If the vehicle is involved in a collision and it is damaged, have the damage
repaired by a qualified technician using the proper equipment and quality replacement
parts. Poorly performed collision ...