Owner's Manual
Page 152
...Pressing INFO RESET when non-resettable a display appears willcause a "recall" mode to display the MPG AVG (Average Fuel Economy), then press and holdthe RESET button until 0.0 MPG AVG is displayed. Analog Control Buttons (DeVille Concours Only) GAL FUEL USED (Reset): Press the INFORMATION button to reset after you have be had...GAL FUEL USED on the DIC, then press and hold the RESET button until AVG MPH 0.0 is displayed. When this button will reset the MPG AVG, GAL FUELUSED, AVG MPH and OIL LIFE LEFT. AVG MPH (Reset): Press the INFOFWMTION button to RUN will appear. no messages were...
...Pressing INFO RESET when non-resettable a display appears willcause a "recall" mode to display the MPG AVG (Average Fuel Economy), then press and holdthe RESET button until 0.0 MPG AVG is displayed. Analog Control Buttons (DeVille Concours Only) GAL FUEL USED (Reset): Press the INFORMATION button to reset after you have be had...GAL FUEL USED on the DIC, then press and hold the RESET button until AVG MPH 0.0 is displayed. When this button will reset the MPG AVG, GAL FUELUSED, AVG MPH and OIL LIFE LEFT. AVG MPH (Reset): Press the INFOFWMTION button to RUN will appear. no messages were...