2003 Buick Century Owner's Manual - Page 243

If Steam Is Coming From Your Engine 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 vehicleuntil it cools down. Wait until there is no signof 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" in the Index for information on driving to a safe place inan emergency. Notices If your engine catches fire because you keep can be badly driving withno coolant, your vehicle damaged. Thecostly repairs would not covered by be your warranty.See "Overheated Engine Protection Operating Mode" in the Index for information on driving to a safe place in an emergency. 5-26