2007 Lexus ES350 spare tire

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Tires
Replace or rotate tires in accordance with maintenance schedules and
tread wear.
■Checking tires
New tread
Tread wear indicator
Worn tread
The location of tread wear indi-
cators is shown by the TWI or Δ
marks, etc., molded on the side-
wall of each tire.
Check spare tire condition and
pressure if not rotated.
■Tire rotation
If equipped with standard spare
tire
Rotate the tires in the order
shown.
Lexus recommends tire rotation
in accordance with the mainte-
nance schedule to equalize tire
wear and extend tire life.
Front

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4-3. Do-it-yourself maintenance
Installing tire pressure warning valve & transmitters
When replacing tires or wheels, tire pressure warning valve & transmit-
ters must also be installed.
When new tire pressure warning valve & transmitters are installed, new tire
pressure warning valve & transmitter ID codes must be registered in the tire
pressure warning ECU and tire pressure warning system must be initialized.
Have tire pressure warning valve & transmitter ID codes registered by your
Lexus dealer. (→P. 299, 300)
If equipped with compact spare
tire
■The tire pressure warning system
Your Lexus is equipped with a tire pressure warning system that uses
tire pressure warning valve & transmitters to detect low tire inflation
pressure before serious problems arise. (→P. 343)
Front

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4-3. Do-it-yourself maintenance
.
■Tire inflation pressure check interval
You should check tire inflation pressure every two weeks, or at least once a month.
Do not forget to check the spare.
■Inspection and adjustment procedure
Ti r e v a l v e
Tire pressure gauge
Remove the tire valve cap.
Press the tip of the tire pressure gauge onto the tire valve.
Read the pressure using the graduations of the gauge.
If the tire inflation pressure is not within the recommended lev-
els, adjust inflate the tire.
If you add too much air, press the center of the valve to lower.
After completing the tire inflation pressure measurement and
adjustment, apply soapy water to the valve and check for leak-
age.
Reinstall the tire valve cap.
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