Subaru 2020 WRX WRX STI Limited

User Manual - Page 416

For 2020 WRX WRX STI LIMITED.

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(416,1)
北米Model "A1747BE-B" EDITED: 2019/ 12/ 19
! High performance tires (models
with 245/35ZR19 (93Y) tires)
S11AV010201
WARNING
These tires are not recommended
for driving in wet conditions where
standing water is present and there
is the risk of hydroplaning; drivers
should drive cautiously at reduced
speeds if they encounter these con-
ditions. These tires are not intended
to be stored, serviced or driven in
snow, ice, or in near- or below
freezing temperatures. Suitable tires
must be installed for winter driving.
NOTE
These tires will wear more rapidly than
normal passenger car tires.
! Winter (snow) tires
S11AV0103
Winter tires are best suited for driving on
snow-covered and icy roads. However
winter tires do not perform as well as
summer tires and all season tires on roads
other than snow-covered and icy roads.
& Tire pressure monitoring
system (TPMS) (if equipped)
S11AV02
The tire pressure monitoring system pro-
vides the driver with a warning message by
sending a signal from a sensor that is
installed in each wheel when tire pressure
is severely low. The tire pressure monitor-
ing system will activate only when the
vehicle is driven. Also, this system may not
react immediately to a sudden drop in tire
pressure (for example, a blow-out caused
by running over a sharp object).
Low tire pressure warning light
If you adjust the tire pressures in a warm
garage and will then drive the vehicle in
cold outside air, the resulting drop in tire
pressures may cause the low tire pressure
warning light to illuminate. To avoid this
problem when adjusting the tire pressures
in a warm garage, inflate the tires to
pressures higher than those shown on
the tire placard. Specifically, inflate them
by an extra 1 psi (6.9 kPa, 0.07 kgf/cm
2
) for
every difference of 108F (5.68C) between
the temperature in the garage and the
temperature outside. By way of example,
the following table shows the required tire
pressures that correspond to various out-
side temperatures when the temperature
in the garage is 608F (15.68C).
Example:
Tire size: 245/40R18 97W
Standard tire pressures:
Front: 33 psi (230 kPa, 2.3 kgf/cm
2
)
Rear: 32 psi (220 kPa, 2.2 kgf/cm
2
)
Garage temperature: 608F (15.68C)
Outside
temperature
Adjusted pressure
[psi (kPa, kgf/cm
2
)]
Front Rear
308F (−18C) 36 (250, 2.5) 35 (240, 2.4)
108F (−128C) 38 (260, 2.6) 37 (255, 2.55)
−108F (−238C) 40 (275, 2.75)
39 (270, 2.7)
If the low tire pressure warning light
illuminates 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
Maintenance and service/Tires and wheels
11-30
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