2005 GMC Savana Van Owner's Manual - Page 146

StabiliTrak Indicator Light If you have the StabiliTrak system, this light will be on or flashing, according to the description table for the StabiliTrak® system. Engine Coolant Temperature Gage For more information, see StabiliTrak® System on page 4-9. You will hear three chimes if the light turns on and one chime if the light turns off. If this light remains on steady, your vehicle needs to be taken in for service. United States Canada This gage shows the engine coolant temperature. If the gage pointer moves into the red area your engine is too hot! It means that your engine coolant has overheated. If you have been operating your vehicle under normal operating conditions, you should pull off the road, stop your vehicle, and turn off the engine as soon as possible. See Engine Overheating on page 5-25. 3-32