Tires - Lexus LS 460 2017 Manual

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6-3. Do-it-yourself maintenance

Tires

Replace or rotate tires in accordance with maintenance schedules 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.
New tread
1
Worn tread
2
Treadwear indicator
3
The location of treadwear indicators is shown by a "TWI" or "" mark, etc.,
molded into the sidewall of each tire.
Replace the tires if the treadwear indicators are showing on a tire.