2006 Jeep Grand Cherokee Owner's Manual - Page 198
2006 Jeep Grand Cherokee Manual
Page 198 highlights
198 UNDERSTANDING YOUR INSTRUMENT PANEL Reset Button Press the RESET button to reset the display you are in. Press and hold the RESET button (for 2 seconds) to reset all of the displays. Average Fuel Economy Shows the average fuel economy since the last reset. When the fuel economy is reset, the display will read "RESET" or show dashes for two seconds. Then, the history information will be erased, and the averaging will continue from the last fuel average reading before the reset. Distance To Empty Shows the estimated distance that can be travelled with the fuel remaining in the tank. This is calibrated using the miles per gallon during the last driving period. Trip A Shows the total distance travelled for trip A since the last reset. Reset Button Trip B Shows the total distance travelled for trip B since the last reset.