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 You Believe Your System Is Not Operating Properly
The main function of the tire pressure monitoring system is to warn you
when your tires need air. It can also warn you in the event the system is no
longer capable of functioning as intended. Please refer to the following
chart for information concerning your tire pressure monitoring system:
Low tire
pressure
warning light
Possible cause Customer action required
Solid warning
light
Tire(s)
under-inflated
1. Make sure tires are at the proper
pressure. See Inflating your tires
in this chapter.
2. After inflating your tires to the
manufacturer’s recommended
pressure as shown on the Tire
Label (located on the edge of
driver’s door or the B-Pillar), the
vehicle must be driven for at least
two minutes over 20 mph
(32 km/h) before the light turns
off.
TPMS
malfunction
If the tires are properly inflated but
the light remains on, contact your
authorized dealer as soon as
possible.
Flashing
warning light
TPMS
malfunction
If the tires are properly inflated,
but the light remains on, contact
your authorized dealer as soon as
possible.
Wheels and Tires 331
2013 C-Max Full Hybrid (34h)
Owners Guide gf, 2nd Printing
USA (fus)
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