2015 Jeep Cherokee Owner Manual - Page 342

340 UNDERSTANDING YOUR INSTRUMENT PANEL 17. Temperature Gauge The temperature gauge shows engine coolant temperature. Any reading within the normal range indicates that the engine cooling system is operating satisfactorily. The gauge pointer will likely indicate a higher temperature when driving in hot weather, up mountain grades, or when towing a trailer. It should not be allowed to exceed the upper limits of the normal operating range. CAUTION! (Continued) turn the engine off immediately and call an authorized dealer for service. WARNING! A hot engine cooling system is dangerous. You or others could be badly burned by steam or boiling coolant. You may want to call an authorized dealer for service if your vehicle overheats. If you decide to look under the hood yourself, see "Maintaining Your Vehicle". Follow the warnings under the Cooling System Pressure Cap paragraph. 18. Malfunction Indicator Light (MIL) The Malfunction Indicator Light (MIL) is part of an Onboard Diagnostic system called OBD II that monitors engine and automatic transmission control systems. The light will illuminate when the key is in CAUTION! Driving with a hot engine cooling system could damage your vehicle. If the temperature gauge reads "H" pull over and stop the vehicle. Idle the vehicle with the air conditioner turned off until the pointer drops back into the normal range. If the pointer remains on the "H" and you hear continuous chimes,