2010 GMC Acadia Owner's Manual - Page 145

Instruments and Controls 5-21 StabiliTrak® Indicator Light Engine Coolant Temperature Warning Light Stop the vehicle and turn off the engine to avoid damage to the engine. A warning chime sounds when this light is on. See Engine Overheating on page 10‑18 for more information. Tire Pressure Light This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer/retailer. If the system is working normally the indicator light goes off. If it stays on, or comes on while driving, there could be a problem with the StabiliTrak system and the vehicle might need service. When this warning light is on, the system is off and will not limit wheel spin. This light flashes when the StabiliTrak system is active. See StabiliTrak System on page 9‑30 for more information. 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 and stays on while driving, the vehicle may have a problem with the cooling system. For vehicles with a tire pressure monitoring system, this light comes on briefly when the engine is started. It provides information about tire pressures and the Tire Pressure Monitoring System.