User Guide
If your vehicle is equipped with Bridgestone or Firestone brand
RFT tires, this chapter presents specic maintenance and
safety issues associated with these tires that are in addition
to those covered elsewhere in this manual.
What is RFT? Run-Flat Technology tires are extraordinary
tires that utilize specially designed components to temporarily
support your vehicle in the event of inflation pressure loss,
such as from a puncture. This gives you the ability to
drive to a convenient and safe location to change your tire
(if equipped with a spare) or have it inspected for possible
repair or replacement.
Naturally, certain run-flat and low pressure operating
limitations apply, which vary according to the specic
self-supporting tire design. Like all tires, during normal
operation, they must be properly inflated and maintained.
Regardless of the design or quality, no tire is indestructible.
RFT—How to Identify: Bridgestone and Firestone brand tires
are marked on the sidewalls, near the wheel, with the RFT
logo (shown above).
RFT INFLATION PRESSURE
Like other tires, RFT tires need proper inflation pressure main-
tenance for safe operation and to achieve the maximum tire
life and performance. Check inflation pressures monthly and
before long trips or carrying extra weight. Use an accurate tire
gauge and check pressures when the tires are cold. Follow the
vehicle manufacturer’s recommendation for inflation pressure
settings as indicated on the vehicle tire information placard
and/or in the vehicle owner’s manual. Do not forget the spare,
if applicable. See “Tire Inflation Pressure” in this manual.
TIRE PRESSURE MONITORING SYSTEM (TPMS)
A functioning tire pressure monitoring system (TPMS) must be
used with your RFT tires. Because these tires ride so well even
without inflation pressure, the TPMS may be necessary to
alert you of an inflation pressure loss condition. When alerted,
follow the instructions in your vehicle owner’s manual and see
“Run-Flat or Low Tire Pressure Operation,” the next section in
this manual.
The vehicle or TPMS manufacturer may advise checking the
TPMS regularly to conrm it is in working order. In addition,
a new pressure sensor, certain components, or reprogramming
may be necessary when a tire is serviced. Consult your
vehicle owner’s manual, vehicle manufacturer, or authorized
Tires with Run-Flat Technology
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