How do I reset the fuel gauge on a 1998 Oldsmobile Cutlass?

To reset the fuel gauge on a 1998 Oldsmobile Cutlass, first, ensure that the ignition is turned off. Then, disconnect the negative battery cable and wait for about 10-15 minutes before reconnecting it. This may reset the fuel gauge by clearing any faults in the system. If the gauge still does not function properly after this, it may require further diagnosis or repair.