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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 7-7 for details.
{ CAUTION:
Run-flat tires are constructed differently than other
tires and could explode during improper service.
You or others could be injured or killed if you
attempt to repair, replace, dismount, or mount a
run-flat tire. Let only an authorized run-flat service
center repair, replace, dismount, and mount
run-flat tires.
The valve stems on your vehicle’s run-flat tires have
sensors that are part of the Tire Pressure Monitor
System (TPMS). These sensors contain batteries which
are designed to last for 10 years under normal driving
conditions. See your GM dealer, if the TPMS sensors or
a wheel ever need replacement.
Notice: Using liquid sealants can damage the tire
valves and tire pressure monitor sensors in the
vehicle’s run-flat tires. This damage would not be
covered by warranty. Do not use liquid sealants
in the vehicle’s run-flat tires.
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