Owner's Manual
Page 141
... works only when the ignition is normal and indicates nothing wrong with the fuel gage. 2-81 Consult a qualified Buick dealership for necessary repairs to show that it took more (or less) than the gage indicated. I These problems may not be obvious and may have a little fuel left, but it takes... more fuel right away. When the indicator moves to get more (or less) gas to fill ...
... works only when the ignition is normal and indicates nothing wrong with the fuel gage. 2-81 Consult a qualified Buick dealership for necessary repairs to show that it took more (or less) than the gage indicated. I These problems may not be obvious and may have a little fuel left, but it takes... more fuel right away. When the indicator moves to get more (or less) gas to fill ...