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When your temporary spare tire is installed
When one of your road tires needs to be replaced with the temporary
spare, the TPMS system will continue to identify an issue to remind you
that the damaged road wheel/tire needs to be repaired and put back on
your vehicle.
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
warning
light
Possible
cause
Customer action required
Solid warning
light
Tire(s)
under-
inflated
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 manufac-
turer’s recommended inflation pressure as
shown on the Tire Label (located on the
edge of driver’s door or the B-Pillar), the ve-
hicle must be driven for at least two minutes
over 20 mph (32 km/h) before the light will
turn off.
Spare
tire in
use
Your temporary spare tire is in use. Repair
the damaged road wheel/tire and reinstall it
on the vehicle to restore system functional-
ity. For a description on how the system
functions, refer to When your temporary
spare tire is installed in this section.
TPMS
malfunc-
tion
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.
Tires, Wheels and Loading
195
2011 MKX (mkx)
Owners Guide, 1st Printing
USA (fus)