2009 Chevrolet Cobalt Owner's Manual - Page 224

This light flashes on the instrument panel cluster when the ESC system is on and activated. The Electronic Stability Control (ESC) system is automatically enabled whenever the vehicle is started. To assist the driver with vehicle directional control, especially in slippery road conditions, always leave the system on. ESC can be turned off if needed. If the vehicle is in cruise control when the system begins to assist the driver maintain directional control of the vehicle, the ESC/TCS light will flash and the cruise control will automatically disengage. The cruise control can be re-engaged when road conditions allow. See Cruise Control on page 3-10. The ESC/TCS button is located on the instrument panel. ESC activates when the computer senses a discrepancy between the intended path and the direction the vehicle is actually traveling. ESC selectively applies braking pressure at any one of the vehicle's brakes to help steer the vehicle in the intended direction. When the system activates, an ESC ACTIVE message displays on the Driver Information Center. See DIC Warnings and Messages on page 3-46. This light also flashes on the instrument panel cluster when the ESC system is on and activated. Noise or vibration may be felt in the brake pedal. This is normal. Continue to steer the vehicle in the desired direction. When the light is on solid and the message(s), SERVICE ESC, ESC OFF, or both display, the system will not assist the driver in maintaining directional control of the vehicle. Adjust your driving accordingly. See DIC Warnings and Messages on page 3-46. The traction control system can be turned off or back on by pressing the ESC/TCS button. To disable both traction control and ESC, press and hold the button from five to ten seconds. 4-8