2008 Saturn Astra Owner's Manual - Page 205

Vehicle Service and Care 9-15 Pressure Cap Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured. See Engine Compartment Overview on page 9-6 for more information on location. If Steam Is Coming From Your Engine { CAUTION 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 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 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. Notice: If the engine catches fire because of being driven with no coolant, your vehicle can be badly damaged. The costly repairs would not be covered by the vehicle warranty. If No Steam Is Coming From Your Engine An engine coolant temperature warning can indicate a serious problem. See Engine Coolant Temperature Warning Light on page 4-19. If you get an engine coolant temperature warning, but see or hear no steam, the problem may not be too serious. Sometimes the engine can get a little too hot when you: Engine Overheating There is an engine coolant temperature warning light on your vehicle's instrument panel. See Engine Coolant Temperature Warning Light on page 4-19 for more information. • Climb a long hill on a hot day. • Stop after high-speed driving. • Idle for long periods in traffic.