118 INSTRUMENTS AND CONTROLS. High speed operation in warmweather.. Uphill driving.. Trailer towing or hauling aheavy load.It is normal for the reading tofluctuate.If the gauge pointer reaches thewarning area or the shadedthermostat symbol at the far end ofthe gauge and remains there for morethan 30 seconds, the engine coolanthas overheated.If the engine coolant has overheated,pull over and stop the vehicle as soonas it is safe to do so. Then, turn theengine off immediately.See Engine Overheating 0 237 for moreinformation.Safety Belt RemindersDriver Safety Belt ReminderLightThere is a driver safety belt reminderlight on the instrument cluster.When the vehicle is started, this lightflashes and a chime may come on toremind the driver to fasten theirsafety belt. Then the light stays onsolid until the belt is buckled. Thiscycle may continue several times ifthe driver remains or becomesunbuckled while the vehicle is moving.If the driver safety belt is buckled,neither the light nor the chimecomes on.Passenger Safety Belt ReminderLightThere is a passenger safety beltreminder light near the passengerairbag status indicator. See PassengerSensing System 0 75.When the vehicle is started, this lightflashes and a chime may come on toremind passengers to fasten theirsafety belt. Then the light stays onsolid until the belt is buckled. Thiscycle continues several times if thepassenger remains or becomesunbuckled while the vehicle is moving.If the passenger safety belt is buckled,neither the chime nor the lightcomes on.The front passenger safety beltreminder light and chime may turn onif an object is put on the seat such asa briefcase, handbag, grocery bag,laptop, or other electronic device. Toturn off the reminder light and/orchime, remove the object from theseat or buckle the safety belt.