2009 Cadillac CTS-V Owner's Manual - Page 186

StabiliTrak®/Traction Control System (TCS) Warning Light The Traction Control System (TCS)/StabiliTrak warning light should come on briefly when the engine is started. Engine Coolant Temperature Warning Light The engine coolant temperature warning light comes on briefly when the engine is started. If it does not, have the vehicle serviced by your dealer/retailer. If the system is working normally the indicator light then goes off. If the light comes on or stays on while driving, there may be a problem with the TCS/StabiliTrak and the vehicle may need service. When this warning light is on, the system does not limit wheel spin. Adjust driving accordingly. See Traction Control System (TCS) on page 4-7 and StabiliTrak® System on page 4-6 for more information. If it does not, have the vehicle serviced by your dealer/retailer. 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 the vehicle and turn off the engine as soon as possible to avoid damage to the engine. A warning chime sounds when this light is on. See Engine Overheating on page 5-38 for more information. 3-40