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Run-Flat Tires (STS-V)
If your vehicle has run-flat tires, there is no spare tire
and no tire changing equipment. Your vehicle also has a
Tire Pressure Monitor System (TPMS) which will alert
you if there is a loss of tire pressure in any of the tires.
See Tire Pressure Monitor System on page 5-67.
{CAUTION:
When the low tire warning light is displayed on
the instrument panel cluster, your vehicle’s
handling capabilities will be reduced during
severe maneuvers. If you drive too fast, you
could lose control of your vehicle. You or
others could be injured. Do not drive over
55 mph (90 km/h) when the low tire warning
light is displayed. Drive cautiously and check
your tire pressures as soon as you can.
If a tire goes flat, you will not need to stop on the side
of the road to change the tire. You can just keep on
driving. The vehicle’s run-flat tires can operate effectively
with no air pressure for up to 50 miles (80 km) at
speeds up to 55 mph (90 km/h). The shorter the
distance you drive and the slower the speed, the greater
the chance that the tire will not have to be replaced.
When a tire is filled with air, it provides a cushion
between the road and the wheel. Because you will not
have this cushion when driving on a deflated run-flat
tire, try to avoid potholes that could damage your wheel
and require replacement of it.
Some road hazards can damage a tire beyond repair.
This damage could occur even before you have
driven on the tire in a deflated condition. When a tire
has been damaged, or if you have driven any distance
on a deflated run-flat tire, check with an authorized
run-flat tire service center, as soon as possible,
to determine whether the tire can be repaired or should
be replaced. To maintain your vehicle’s run-flat
feature, all replacement tires must be self-supporting
tires. To locate the nearest GM or authorized run-flat
servicing facility, call Roadside Service. See Roadside
Service on page 7-5 for details.
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