
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. Why Safety Belts Work
When riding in a vehicle, you travel as fast as the vehicle does. If the vehicle
stops suddenly, you keep going until something stops you. It could be the windshield,
the instrument panel, or th ...
Chevrolet Sonic. Trip Computer
The trip computer is located in the Driver Information Center (DIC).
It provides the driver with driving information such as average speed, fuel range,
average fuel economy, and a timer.
1. SET/ ...
Chevrolet Sonic. Service Publications Ordering Information
Service Manuals
Service Manuals have the diagnosis and repair information on the engines, transmission,
axle, suspension, brakes, electrical, steering, body, etc.
Service Bulletins
Service Bullet ...