Lincoln 1997 Town Car Owner's Manual page 263

Brakes
Make sure brakes and parking brake are fully
released.
Tires
Maintain recommended air pressures.
262
Miscellaneous
Make sure all linkages, cables, levers and clevis
pins under vehicle are covered with grease to
prevent rust.
Move vehicles at least 25 feet (8 m) every 15
days to lubricate working parts and prevent
corrosion.