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 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.
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
malfunction
If your tires are properly
inflated and your spare tire is
not in use and the light remains
ON, have the system inspected
by your authorized dealer.
2009 Mariner
(mrn)
Owners Guide, 1st Printing
USA
(fus)
Tires, Wheels and Loading
179
