Lincoln 1997 Town Car Owner's Manual page 240

WARNING
The temperature grade for this tire is
established for a tire that is properly
inflated and not overloaded. Excessive
speed, underinflation, or excessive
loading, either separately or in
combination, can cause heat buildup
and possible tire failure.
WARNING
Driving too fast for conditions creates
the possibility of loss of vehicle control.
Driving at very high speeds for
extended periods of time may result in
damage to vehicle components.
Snow tires and chains
The tires on your vehicle have all-weather treads
that provide traction in rain or snow. However,
during the winter months in some climates, you
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may need to use snow tires and occasionally chains
for your tires.
Do not use chains when using a temporary spare.
For full size tires, use chains on the tires only in an
emergency or if the law requires them where you
live. When you use the tire chains:
Make sure the chains are the right size for your
tires. Use only SAE Class "S" chains. Other
types may damage your vehicle.
Put the chains on tightly with the ends held
down securely. Verify that no chain touches any
wiring, brake lines, or fuel lines. Follow the
chain manufacturer's instructions.
Drive slowly. If you can hear the chains rub or
bang against your vehicle, stop the vehicle and
tighten the chains. If you continue to hear the
chains rub or bang against your vehicle, remove
the chains to prevent damage to your vehicle.