2007 GMC Yukon Owner's Manual - Page 452

Engine Overheating You will find a coolant temperature gage on your vehicle's instrument panel. See Engine Coolant Temperature Gage on page 234. In addition, you will find an ENGINE OVERHEATED STOP ENGINE, ENGINE OVERHEATED IDLE ENGINE, and an ENGINE POWER IS REDUCED message in the Driver Information Center (DIC) on the instrument panel. See DIC Warnings and Messages on page 254. CAUTION: (Continued) Wait until there is no sign of steam or coolant before you open the hood. If you keep driving when your engine is overheated, the liquids in it can catch fire. You or others could be badly burned. Stop your engine if it overheats, and get out of the vehicle until the engine is cool. See Overheated Engine Protection Operating Mode on page 454 for information on driving to a safe place in an emergency. Notice: If your engine catches fire because you keep driving with no coolant, your vehicle can be badly damaged. The costly repairs would not be covered by your warranty. See Overheated Engine Protection Operating Mode on page 454 for information on driving to a safe place in an emergency. If Steam Is Coming From Your Engine {CAUTION: Steam from an overheated engine can burn you badly, even if you just open the hood. Stay away from the engine if you see or hear steam coming from it. Just turn it off and get everyone away from the vehicle until it cools down. CAUTION: (Continued) 452