Tires - Toyota PRIUS 50 2020 Series Owner's Manual

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6-3. Do-it-yourself maintenance

Tires

Replace or rotate tires in accordance with maintenance sched-
ules and treadwear.
Checking tires
Check if the treadwear indicators are showing on the tires. Also check
the tires for uneven wear, such as excessive wear on one side of the
tread.
Check the spare tire condition and pressure if not rotated.
1
New tread
2
Worn tread
3
Treadwear indicator
The location of treadwear indicators is shown by the "TWI" or "" marks,
etc., molded on the sidewall of each tire.
Replace the tires if the treadwear indicators are showing on a tire.