1994 GMC Safari Owner's Manual - Page 123

NOTICE: Damage to your engine from neglected oil problems can be costly and is not covered your warranty. by Engine Coolant Temperature Gage Cluster Standard Digital Cluster If you have the Standard Cluster, you have a gage that shows the engine coolant temperature. If the gage pointer moves to the "H" (red) side, your engine is too hot! It means that your engine coolant has overheated. If you have been operating your vehicle under normal driving conditions, you should pulloff the road, stop your vehicle and turn off the engine as soon aspossible. If you have a digital cluster, a box around the temperature symbol will also flash when yourengine is too hot. 2-63