2003 Chevrolet Avalanche Owner's Manual - Page 361

If Steam Is Coming From Your Engine 1 everyone away trom tne veh.-.e unul IT: cools down. 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 init can catch fire. You or others could be badly burned. Stop your engine if it overheats, and get out of the vehicle until the engineis cool. See "Overheated Engine Protection Operating Mode" in the Index for information on driving to a safe place in emergency. an Steam from an overhea,,J engine ca.. --.'n you badly, even if you just open the hood. Stay away from the engine if yousee or hear steam coming from it. Just turn it off and get CAUTION: (Continued) 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 in information on driving to a safe place an emergency. I 5-28