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.

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The brake indicator light should come on briefly as the engine is started. If it does not come on have the vehicle serviced by your dealer.
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.
If the light comes on while driving, a chime sounds. Pull off the road and stop. The pedal might be harder to push or go closer to the floor.
It might also take longer to stop.
If the light is still on, have the vehicle towed for service.
Malfunction Indicator Lamp
Antilock Brake System (ABS) Warning LightAir Conditioning Condenser Replacement (1.6L LDE, LXT, LXV, and 1.8L 2H0)
Removal Procedure
Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
Disconnect battery negative cable. Refer to Battery Negative Cable
Disconnection and Connection.
Remove front bumper fascia. Refer to Front Bumper Fascia Replacement.
Remove air intake duct ...
Event Data Recorders
This vehicle is equipped with an event data recorder (EDR). The main purpose
of an EDR is to record, in certain crash or near crash-like situations, such as
an air bag deployment or hitting a road obstacle, data that will assist in understanding
how a vehicle’s systems performed. The EDR is de ...
Rear Compartment Lid Emblem/Nameplate Replacement (Chevrolet)
Rear Compartment Lid Emblem Assembly
Caution: Refer to Exterior Trim Emblem Removal Caution in the Preface
section.
Procedure
The part and surface should be 21°C (70°F) prior to installation. The
vehicle should remain 21°C (70°F) for
one hour after assembly to allow adhesive to deve ...