Overheated Engine ProtectionOperating ModeIf an overheated engine condition exists and theENGINE POWER IS REDUCED message is displayed,an overheat protection mode which alternates firinggroups of cylinders helps prevent engine damage. In thismode, you will notice a loss in power and engineperformance. This operating mode allows the vehicle tobe driven to a safe place in an emergency. Drivingextended miles (km) and/or towing a trailer in theoverheat protection mode should be avoided.Notice: After driving in the overheated engineprotection operating mode, to avoid engine damage,allow the engine to cool before attempting anyrepair. The engine oil will be severely degraded.Repair the cause of coolant loss, change the oil andreset the oil life system. See Engine Oil onpage 6-15.Engine Fan NoiseThe vehicle has electric cooling fans. You might hearthe fans spinning at low speed during most everydaydriving. The fans can turn off if no cooling is required.Under heavy vehicle loading, trailer towing, and/orhigh outside temperatures, or if you are operating theair conditioning system, the fans can change tohigh speed and you might hear an increase in fan noise.This is normal and indicates that the cooling systemis functioning properly. The fans change to low speedwhen additional cooling is no longer required.Power Steering FluidSee Engine CompartmentOverview on page 6-14 forreservoir location.6-33