2008 Cadillac STS Owner's Manual - Page 239

ENGINE COOLANT HOT IDLE ENGINE Notice: If you drive your vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soon as possible. Do not increase the engine speed above normal idling speed. See Engine Overheating on page 5-29 for more information. This symbol appears with this message. ENGINE HOT - AC (Air Conditioning) OFF This message displays when the engine coolant becomes hotter than the normal operating temperature. See Engine Coolant Temperature Gage on page 3-67. To avoid added strain on a hot engine, the air conditioning compressor is automatically turned off. When the coolant temperature returns to normal, the air conditioning compressor turns back on. You can continue to drive your vehicle. If this message continues to appear, have the system repaired by your dealer/retailer as soon as possible to avoid damage to the engine. ENGINE OVERHEATED STOP ENGINE This message displays when the engine coolant temperature is too hot. Stop and allow the vehicle to idle until it cools down. See Engine Coolant Temperature Warning Light on page 3-66. See Overheated Engine Protection Operating Mode on page 5-31 for information on driving to a safe place in an emergency. Notice: If you drive your vehicle while the engine is overheating, severe engine damage may occur. If an overheat warning appears on the instrument panel cluster and/or DIC, stop the vehicle as soon as possible. See Engine Overheating on page 5-29 for more information. This message displays when the engine has overheated. Immediately look for a safe place to pull your vehicle over and turn the engine off right away to avoid severe engine damage. See Engine Overheating on page 5-29 and Overheated Engine Protection Operating Mode on page 5-31. A chime also sounds when this message is displayed. 3-85