2010 Chevrolet Impala Owner's Manual - Page 300

In addition, you will find an ENGINE OVERHEATED IDLE ENGINE and an ENGINE OVERHEATED STOP ENGINE message displayed on the vehicle's Driver Information Center (DIC). See DIC Warnings and Messages on page 4-44 DIC Warnings and Messages for more information. You may decide not to lift the hood when this warning appears, but instead get service help right away. See Roadside Assistance Program on page 8-7. If you do decide to lift the hood, make sure the vehicle is parked on a level surface. Then check to see if the engine cooling fans are running. If the engine is overheating, both fans should be running. If they are not, do not continue to run the engine and have the vehicle serviced. Notice: Engine damage from running the engine without coolant is not covered by the warranty. Notice: If the engine catches fire while driving with no coolant, the vehicle can be badly damaged. The costly repairs would not be covered by the vehicle warranty. See Overheated Engine Protection Operating Mode on page 6-32 for information on driving to a safe place in an emergency. If Steam Is Coming From The Engine Compartment { WARNING: 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. Turn it off and get everyone away from the vehicle until it cools down. Wait until there is no sign of steam or coolant before you open the hood. If you keep driving when the vehicles engine is overheated, the liquids in it can catch fire. You or others could be badly burned. Stop the engine if it overheats, and get out of the vehicle until the engine is cool. See Overheated Engine Protection Operating Mode on page 6-32 for information on driving to a safe place in an emergency. 6-30