Subaru BRZ 2021, Manual

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4-3. Do-it-yourself maintenance
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Tire life
Any tires over 6 years old must be checked by a qualified technician even if
they have seldom or never been used or damage is not obvious.
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If the tread on snow tires wears down 4 mm (0.16 in.)
The effectiveness of snow tires is lost.
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Low profile tires (vehicles with 17-inch tires)
Generally, low profile tires will wear more rapidly and tire grip performance
will be reduced on snowy and/or icy roads when compared to standard tires.
Be sure to use snow tires or tire chains on snowy and/or icy roads and drive
carefully at a speed appropriate for road and weather conditions.
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If you press the tire pressure monitoring reset switch accidentally (if
equipped)
If initialization is performed, adjust the tire inflation pressure to the specified
level and initialize the tire pressure monitoring system again.
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Routine tire inflation pressure checks (vehicles with a tire pressure
monitoring system)
The tire pressure monitoring 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.