2007 Cadillac STS Owner's Manual - Page 269

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 393 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 251. 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 as soon as possible to avoid damage to the 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 251. See Overheated Engine Protection Operating Mode on page 395 for information on driving to a safe place in an emergency. 269