Chevrolet Cobalt Owners Manual: Using ABS

Antilock Brake System (ABS)

The vehicle might have the Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid. If the vehicle has ABS, this warning light on the instrument pan ...

Braking in Emergencies

At some time, nearly every driver gets into a situation that requires hard braking. If the vehicle has Electronic Stability Control (ESC) with Antilock Brake System (ABS), it allows the driver to ...

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Chevrolet Cobalt Owners Manual. Gasoline Octane
If the vehicle has the 2.2L L4 engine (VIN Code 5), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when driving. If this occurs, use a gasoline rated ...