1998 Oldsmobile Aurora Owner's Manual - Page 231

If Steam Is Coming From Your Engine Steam from an overheated enginecan burn you badly, evenif you just open the hood. Stay away from the engine if you seeor 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 beforeyou open the hood. If you keep driving when your engine is overheated, the liquids in itcan catch fire. You or others could be badlyburned. Stop your engine if it overheats, and get out of the vehicle until the engine iscool. NOTICE: If your engine catchesfire because you keep driving with no coolant,your vehicle can be badly damaged.The costly repairs would not be covered by yourwarranty. See "Overheated Engine ProtectionOperating Mode" inthe Index.