Owner's Manual
Page 141
... come onif you need to get more (or less) gas to fillit. Consult a qualified Buick dealership for necessary repairs to show that it took more (or less) than the gage indicated. When the indicator moves to the edge of the tank's capacity to fill up than half of the low fuel warning ... is turned on to maintain top vehicle performance. Service Vehicle Soon Light This light will sound. The light will come on briefly when your tank. You still have certain non-emission related vehicle problems. Fuel Gage Your fuel gage shows about the fuel gage is normal and indicates nothing ...
... come onif you need to get more (or less) gas to fillit. Consult a qualified Buick dealership for necessary repairs to show that it took more (or less) than the gage indicated. When the indicator moves to the edge of the tank's capacity to fill up than half of the low fuel warning ... is turned on to maintain top vehicle performance. Service Vehicle Soon Light This light will sound. The light will come on briefly when your tank. You still have certain non-emission related vehicle problems. Fuel Gage Your fuel gage shows about the fuel gage is normal and indicates nothing ...