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11-50
Maintenance and service
following table shows the required tire pressures that
correspond to various outside temperatures when the
temperature in the garage is 60°F (15.6°C).
Standard tire pressures:
Front: 32 psi (220 kPa, 2.2 kgf/cm
2
)
Rear: 30 psi (210 kPa, 2.1 kgf/cm
2
)
Garage temperature: 60°F (15.6°C)
If the low tire pressure warning light comes on when
you drive the vehicle in cold outside air after adjusting
the tire pressures in a warm garage, re-adjust the tire
pressures using the method described above. Then,
increase the vehicle speed to at least 20 mph (32 km/
h) and check to see that the low tire pressure warning
light goes off a few minutes later. If the low tire pres-
sure warning light does not go off, the tire pressure
monitoring system may not be functioning normally. In
this event, go to a SUBARU dealer to have the system
inspected as soon as possible.
While the vehicle is driven, friction between tires and
the road surface causes the tires to warm up. After il-
lumination of the low tire pressure warning light, any
increase in the tire pressures caused by an increase in
the outside air temperature or by an increase in the
temperature in the tires can cause the low tire pres-
sure warning light to go off.
System resetting is necessary when the wheels are
changed (for example, a switch to snow tires) and new
TPMS valves are installed on the newly fitted wheels.
Have this work performed by a SUBARU dealer fol-
lowing wheel replacement.
It may not be possible to install TPMS valves on cer-
tain wheels that are on the market. Therefore, if you
change the wheels (for example, a switch to snow
tires), use wheels that have the same part number as
the standard-equipment wheels. Without four opera-
tional TPMS valve/sensors on the wheels, the TPMS
will not fully function and the warning light in the instru-
ment panel will flash.
When a tire is replaced, adjustments are necessary to
ensure continued normal operation of the tire pressure
monitoring system. As with wheel replacement, there-
Outside temperature Adjusted pressure
[psi (kPa, kgf/cm
2
)]
front rear
30°F (–1°C) 35 (240, 2.4) 33 (230, 2.3)
10°F (–12°C) 37 (255, 2.55) 35 (245, 2.45)
–10°F (–23°C) 39 (270, 2.7) 37 (260, 2.6)
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