2000 Cadillac Catera Owners Manual

Engine Coolant Temperature Warning LightThis light tells you thatthe engine has overheated.If this light comes on, youshould stop the vehicle andturn the engine off as soonas possible.A warning chime should also sound if this light comes on.As a check, the light should come on for a few secondswhen you start the engine. See “Engine Overheating” inthe Index.Engine Coolant Temperature GageThis gage shows the enginecoolant temperature. If thegage pointer moves intothe red area, the engine istoo hot!This reading means the same thing as the warninglight -- the engine coolant has overheated. You shouldstop the car and turn the engine off as soon as possible.See “Engine Overheating” in the Index.Low Coolant Warning LightThis warning light shouldcome on for a few secondswhile you are starting theengine. If the light doesn’tcome on, have it repaired.Your vehicle is equipped with a low coolant level sensor(switch and float) that is designed to detect when yourvehicle’s coolant level drops below the set limit. If thelow coolant level sensor (under the coolant surge tank)detects that the level drops while the engine is running,the low coolant indicator will light and remain lit untilthe ignition switch is turned off. Check the coolant leveland add coolant as needed. The light should turn off assoon as the coolant level is at its proper operating range.2-71