2015 Jeep Grand Cherokee Owner Manual Supplement - Page 36
2015 Jeep Grand Cherokee Manual
Page 36 highlights
34 UNDERSTANDING YOUR INSTRUMENT PANEL • Engine Will Not Start Service DEF System See NOTE: Dealer - This message will display when the fault • The gauge may take up to five seconds to update after detected is not serviced after the Engine will not restart adding a gallon or more of Diesel Exhaust Fluid (DEF) Service DEF System See Dealer message is displayed to the DEF tank. If you have a fault related to the DEF on the next subsequent restart. Your engine will not system, the gauge may not update to the new level. See start unless you vehicle is serviced by your authorized your authorized dealer for service. dealer. The message will be accompanied by a single chime. Your Malfunction Indicator Light will be con- • The DEF gauge may also not immediately update after tinuously illuminated. If the message appears and you a refill if the temperature of the DEF fluid is below 12F can not start the engine, we recommend you have your (-11C). The DEF line heater will possibly warm up the vehicle towed to your nearest authorized dealer imDEF fluid and allow the gauge to update after a period mediately. of run time. Under very cold conditions, it is possible that the gauge may not reflect the new fill level for several drives.