1993 Cadillac DeVille Owner's Manual - Page 145

RANGE I i I .. A This shows howfar the computer thinks you can go with the fuel that's in your tank. When you get downto 40 miles to go (or, in metric, 64 km) it just says "L," which means "LOW." You should then getfuel right away. RANGE reading to work, Your computer needsenough data for the however, so it will read L for a while whenyour Cadillac is brand new (under 25 miles). Also, it will show L for a while if your battery has been disconnected. FUEL USED This reading shows how muchfuel you've used since you last reset the system. It returns to zero after 99.9 gallons (or, in metric, 379 liters). a L