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• Step 4: If the tire pressure is too low, note the difference
between the measured tire pressure and the correct tire
pressure. These “missing” pounds of pressure are what you will
need to add.
• Step 5: At a service station, add the missing pounds of air
pressure to each tire that is under inflated.
• Step 6: Check all the tires to make sure they have the same air
pressure (except in cases in which the front and rear tires are
supposed to have different amounts of pressure).
If you have been driving your vehicle and think that a tire is under
inflated, fill it to the recommended cold inflation pressure indicated
on your vehicle’s tire information placard or certification label. While
your tire may still be slightly under inflated due to the extra pounds
of pressure in the warm tire, it is safer to drive with air pressure that
is slightly lower than the vehicle manufacturer’s recommended cold
inflation pressure than to drive with a significantly under inflated tire.
Since this is a temporary fix, don’t forget to recheck and adjust the
tire’s pressure when you can obtain a cold reading.
Tire Size
To maintain tire safety, purchase new tires that are the same size as
the vehicle’s original tires or another size recommended by the
manufacturer. Look at the tire information placards, the owner’s
manual, or the sidewall of the tire you are replacing to find this
information. If you have any doubt about the correct size to choose,
consult with the tire dealer.
Tire Tread
The tire tread provides the gripping action and traction that prevent
your vehicle from slipping or sliding, especially when the road is wet
or icy. In general, tires are not safe and should be replaced when
the tread is worn down to 1/16 of an inch. Tires have built-in tread
wear indicators that let you know when it is time to replace your
tires. These indicators are raised sections spaced intermittently in
the bottom of the tread grooves. When they appear “even” with the
outside of the tread, it is time to replace your tires. Another method
for checking tread depth is to place a penny in the tread with
Lincoln’s head upside down and facing you. If you can see the top
of Lincoln’s head, you are ready for new tires.
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