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To restore the full functionality of the Tire Pressure Monitoring System,
have the damaged road wheel/tire repaired and remounted on your
vehicle. For additional information, refer to Changing tires with TPMS
in this section.
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
Possible cause Customer Action Required
Warning Light
Solid Warning Light
Tire(s)
under-inflated
Spare tire in use Your temporary spare tire is in
TPMS
malfunction
2010 MKZ (378)
Owners Guide, 2nd Printing
USA (fus)
Tires, Wheels and Loading
1. Check your tire pressure to
ensure tires are properly
inflated; refer to Inflating
your tires in this chapter.
2. After inflating your tires to
the manufacturer's
recommended inflation
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 will turn OFF.
use. Repair the damaged road
wheel/tire and reinstall it on
the vehicle to restore system
functionality. For a description
on how the system functions,
refer to When your temporary
spare tire is installed in this
section.
If your tires are properly
inflated and your spare tire is
not in use and the light
remains ON, contact your
authorized dealer as soon as
possible.
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