1993 Cadillac DeVille Owner's Manual - Page 249

ENGINE 0VERH.EATING YOU find the two warning lights about a hot engineon your Cadillac will instrument panel. If Steam Is Coming From Your Engine: A CAUTION: Steam from an overheated engine can burnyou badly, even if you just open the hood. Stay away from the engine if you see or off hear steam coming from it. Just turn it and get everyone away from the vehicle until itcools down. Wait until thereis no sign of steam or coolant before opening the hood. If you keep driving when your engine is overheated, the liquids in itcan 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. I I I