Changing Tires With A Tire Pressure Monitoring System; Understanding Your Tire Pressure Monitoring System; When Your Temporary Spare Tire Is Installed - Ford Super Duty Owner's Manual

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The tire pressure monitoring system complies with part 15 of the FCC
rules and with RSS-210 of Industry Canada. Operation is subject to the
following two conditions: (1) This device may not cause harmful
interference, and (2) This device must accept any interference received,
including interference that may cause undesired operation.

Changing Tires with a Tire Pressure Monitoring System

You should always have your tires serviced by an authorized dealer.
Check the tire pressure periodically (at least monthly) using an accurate
tire gauge. See Inflating Your Tires in this chapter.

Understanding Your Tire Pressure Monitoring System

The tire pressure monitoring system measures pressure in your four road
tires and sends the tire pressure readings to your vehicle. The low tire
pressure warning light will turn on if the tire pressure is significantly low.
Once the light is illuminated, your tires are under-inflated and need to be
inflated to the manufacturer's recommended tire pressure. Even if the
light turns on and a short time later turns off, your tire pressure still
needs to be checked.

When your temporary spare tire is installed

When one of your road tires needs to be replaced with the temporary
spare, the tire pressure monitoring system will continue to identify an
issue to remind you that the damaged road wheel or tire needs to be
repaired and put back on your vehicle.
To restore the full function of the tire pressure monitoring system, have
the damaged road wheel or tire repaired and remounted on your vehicle.
For additional information, see Changing Tires with a Tire Pressure
Monitoring System in this section.
2013 F-250/350/450/550 (f23)
Owners Guide gf, 2nd Printing, December 2012
USA (fus)
Wheels and Tires
Note: Each road tire is equipped
with a tire pressure sensor located
inside the tire and wheel assembly
cavity. The pressure sensor is
attached to the valve stem. The
pressure sensor is covered by the tire
and is not visible unless the tire is
removed. Take care when changing
the tire to avoid damaging the sensor.