2014 Chevrolet Sonic Owner Manual - Page 115

Instruments and Controls systems have not been completely diagnosed. The vehicle would be considered not ready for inspection. This can happen if the 12-volt battery has recently been replaced or run down. The diagnostic system is designed to evaluate critical emission control systems during normal driving. This can take several days of routine driving. If this has been done and the vehicle still does not pass the inspection for lack of OBD II system readiness, your dealer can prepare the vehicle for inspection. For vehicles with this light, it comes on if a condition exists that may require the vehicle to be taken in for service. If the light comes on, take the vehicle to your dealer for service as soon as possible. 5-15 { Warning The brake system might not be working properly if the brake system warning light is on. Driving with the brake system warning light on can lead to a crash. If the light is still on after the vehicle has been pulled off the road and carefully stopped, have the vehicle towed for service. 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 need to be working If the warning light comes on, there is a brake problem. Have the brake system inspected right away. Service Vehicle Soon Light Metric English This light should come on briefly when the ignition is turned to ON. If it does not come on then, have it fixed so it will be ready to warn if there is a problem.