2005 Cadillac STS Owner's Manual - Page 211

ENGINE OVERHEATED STOP ENGINE This message will display 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 5-26 and Overheated Engine Protection Operating Mode on page 5-28. A chime will also sound when this message is displayed. 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 5-26 for more information. FUEL LEVEL LOW This symbol appears with the FUEL LEVEL LOW message. When this message displays, it means that your vehicle is low on fuel. You should refill the tank as soon as possible. A single chime will sound when this message is displayed. HOOD AJAR This symbol appears with the HOOD AJAR message. ENGINE POWER REDUCED This message informs you that the engine power is being reduced to protect the engine from damage. There could be several malfunctions that might cause this message. Have your vehicle serviced by your GM dealer as soon as possible. When this message displays, it means that the hood was not closed completely. You should make sure that the hood is completely closed. 3-79