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584
7-3. Do-it-yourself maintenance
Your vehicle is equipped with a
tire pressure warning system
that uses tire pressure warning
valves and transmitters to detect
low tire inflation pressure before
serious problems arise.
If the tire pressure drops
below a predetermined level,
the driver is warned a screen
display
*
and by a warning
light. (P.634)
*
: Vehicles with tire inflation pres-
sure display function only
Vehicles with tire inflation
pressure display function
only: The tire pressure
detected by the tire pressure
warning system can be dis-
played on the multi-informa-
tion display. (P. 85 )
The illustration used is intended
as an example, and may differ
from the image that is actually
displayed on the multi-informa-
tion display.
■ Routine tire inflation pressure
checks
The tire pressure warning system
does not replace routine tire inflation
pressure checks. Make sure to
check tire inflation pressure as part
of your routine of daily vehicle
checks.
■ Tire inflation pressure
*
*
: Vehicles with tire inflation pres-
sure display function only
● It may take a few minutes to dis-
play the tire inflation pressure
after the engine switch is turned to
ON. It may also take a few min-
utes to display the tire inflation
pressure after inflation pressure
has been adjusted.
● Tire inflation pressure changes
with temperature. The displayed
values may also be different from
the values measured using a tire
pressure gauge.
■ Situations in which the tire
pressure warning system may
not operate properly (if
equipped)
● In the following cases, the tire
pressure warning system may not
operate properly.
• If non-genuine Toyota wheels are
used.
• A tire has been replaced with a
tire that is not an OE (Original
Equipment) tire.
• A tire has been replaced with a
tire that is not of the specified size.
• Tire chains, etc. are equipped.
• An auxiliary-supported run-flat tire
is equipped.
• If a window tint that affects the
radio wave signals is installed.
• If there is a lot of snow or ice on
the vehicle, particularly around the
wheels or wheel housings.
• If the tire inflation pressure is
extremely higher than the speci-
fied level.
• If wheel without tire pressure
Tire pressure warning
system (if equipped)
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