Engine OverheatingYou will find an ENGINE COOLANT HOT, IDLEENGINE message or an ENGINE OVERHEATED,STOP ENGINE message displayed in the DriverInformation Center (DIC). You will also hear a chime.There is also an engine temperature warning light and/orgage on the instrument panel cluster. See EngineCoolant Temperature Warning Light on page 3-51 andEngine Coolant Temperature Gage on page 3-51.Overheated Engine ProtectionOperating ModeIf an overheated engine condition exists and themessage ENGINE OVERHEATED, STOP ENGINE isdisplayed, an overheat protection mode which alternatesfiring groups of cylinders helps prevent engine damage.In this mode, you will notice a loss in power andengine performance. This operating mode allows yourvehicle to be driven to a safe place in an emergency;you may drive up to 50 miles (80 km). Driving extendedmiles (km) and/or towing a trailer in the overheatprotection mode should be avoided.Notice: After driving in the overheated engineprotection operating mode, to avoid engine damage,allow the engine to cool before attempting any repair.The engine oil will be severely degraded. Repair thecause of coolant loss, change the oil and reset theoil life system. See Engine Oil on page 5-14.5-29
