CAUTION: (Continued)
•
Underinflated tires pose the same
danger as overloaded tires. The
resulting accident could cause serious
injury. Check all tires frequently to
maintain the recommended pressure.
Tire pressure should be checked when
your tires are cold. See Inflation - Tire
Pressure on page 5-66.
• Overinflated tires are more likely
to be cut, punctured, or broken by
a sudden impact — such as when
you hit a pothole. Keep tires at the
recommended pressure.
• Worn, old tires can cause accidents. If
your tread is badly worn, or if your tires
have been damaged, replace them.
See High-Speed Operation on page 5-68 for
inflation pressure adjustment for high
speed driving.
Low-Profile Performance Tires
If your vehicle has 235/50ZR18 or P235/50R18
size tires, they are classified as low-profile tires.
These tires are designed for very responsive driving
on wet or dry pavement. You may also notice more
road noise with low-profile performance tires and
that they tend to wear faster.
Notice: If the vehicle has low-profile tires,
they are more susceptible to damage from road
hazards or curb impact than standard profile
tires. Tire and/or wheel assembly damage can
occur when coming into contact with road
hazards like, potholes, or sharp edged objects,
or when sliding into a curb. The vehicle
warranty does not cover this type of damage.
Keep tires set to the correct inflation pressure
and, when possible avoid contact with curbs,
potholes, and other road hazards.
Summer Performance Tires
Many General Motors high performance models
come factory-equipped with tires that are optimized
for maximum dry and wet road performance while
still retaining satisfactory tread life, excellent
durability, and low noise levels. In severe winter
climates where snowfall may be significant, these
tires may be found to provide less traction.
5-59
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