User Manual - Page 177

For 2009 MERCURY MARINER.

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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
Warning Light
Possible cause Customer Action Required
Solid Warning Light Tire(s) under-
inflated
1. Check your tire pressure to
ensure tires are properly in-
flated; refer to Inflating your
tires in this chapter.
2. After inflating your tires to
the manufacturer’s recom-
mended inflation pressure as
shown on the Tire Label (lo-
cated 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
functionality. 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 in-
flated and your spare tire is not
in use and the light remains
ON, contact your authorized
dealer as soon as possible.
2009 Mariner (mrn)
Owners Guide, 2nd Printing
USA (fus)
Tires, Wheels and Loading
177
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