Lincoln 1997 Town Car Owner's Manual page 184

Fuel pump shut-off switch
182
WARNING
If you see or smell fuel, do not reset
the switch or try to start your vehicle.
Have all the passengers get out of the
vehicle and call the local fire
department or a towing service.
If your engine cranks but does not start after a
collision or substantial jolt:
1. Turn the ignition key to the OFF position.
2. Check under the vehicle for leaking fuel.
3. If you do not see or smell fuel, push the red
reset button down. If the button is already set,
you may have a different mechanical problem.
4. Turn the ignition key to the ON position for a
few seconds, then turn it to the OFF position.