1994 Cadillac DeVille Owner's Manual - Page 151

If the fuel level is between 1 and 2 gallons (3.9 and 7.6 liters) from being to empty the letter "E" is shown. If the fuel supply gets down approximately 1.gallon (3.9 liter) the "E"will flash, and the FUEL LEVEL VERY LOW" message will appear in the Driver Information Center (DIC). Here area few concerns some owners have hadabout the fuel gage. All these situations are normal and indicate nothing wrong withthe fuel gage@ At the gas station, the gas pump shuts off before the gage reads "F". It takes more (or less) gas to fill up than the gage said. For example, the gage said "8 Gallons", but it took more -- or less -- than the tank's remaining capacity to fill it. " The gage may change when youturn, stop, or speed up is normal. Fuel Data Panel Your Fuel Data Panel tells you all you want know about your fuel to economy and how far you can travel with fuel remaining. Here'show the it works. AVG Button Push this button to display the "AVG MPG" (average mile in per gallon). You can also display it metric units by pressing the "ENG MET" button.