2003 GMC Savana Van Owner's Manual - Page 271

Engine Overheating You will find a coolant temperature gage on your vehicle's instrument panel. 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. Wait until there is no signof steam or coolant before you open the hood. If Steam I Coming From Your Engine s If you keep driving when your engine is overheated, the liquids in it can catchfire. 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" in the Index 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" in the Index for information on driving to a safe placein an emergency. 5-28