2013 Chevrolet Volt Owner Manual - Page 130

5-24 Instruments and Controls StabiliTrak® OFF Light Traction Control System (TCS)/StabiliTrak® Light Engine Coolant Temperature Warning Light This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. This light comes on when the StabiliTrak system is turned off. If StabiliTrak is off, Traction Control System (TCS) is also off. If the TCS is off, the system does not assist in controlling the vehicle. Turn on the TCS and the StabiliTrak systems and the warning light turns off. This light comes on briefly while starting the vehicle. If it does not, have the vehicle serviced by your dealer. If the system is working normally the indicator light then goes off. If the light comes on and stays on while driving, there could be a problem with the TCS/StabiliTrak system and the vehicle might need service. When this warning light is on, the TCS/StabiliTrak system is off and does not limit wheel spin. The light flashes if the system is active and is working to assist the driver with directional control of the vehicle in difficult driving conditions. The engine coolant temperature warning light comes on briefly when the vehicle is started. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then goes off. If the light comes on and stays on while driving, the vehicle may have a problem with the cooling system. Stop and turn off the vehicle to avoid damage to the engine. A warning chime sounds when this light is on. See Engine Overheating on page 10‑19 for more information.