Tires must be replaced
when the tread is worn
down to 2/32 of an inch in
order to prevent skidding and
hydroplaning. An easy test:
place a penny into a tread groove.
If part of Lincoln's head is covered by the tread, you're
driving with the proper amount of tread. If you can see
all of his head, you should buy a new tire.
Built-in treadwear indicators, or "wear
bars," which look like narrow strips of
smooth rubber across the tread will appear
on the tire when the tread is worn down to
one-sixteenth of an inch. When you see these
"wear bars," the tire is worn out and should be
replaced.
Visually check your tires for signs of uneven wear. You
may have irregular tread wear if there are high and
low areas or unusually smooth areas. Consult your tire
dealer as soon as possible.
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