Toyota 2012 Highlander Owner's Manual page 463

4-3. Do-it-yourself maintenance
STEP 2
Press the tip of the tire pressure gauge onto the tire valve.
STEP 3
Read the pressure using the graduations of the gauge.
STEP 4
If the tire inflation pressure is not within the recommended
levels, adjust the pressure.
If you add too much air, press the center of the valve to
lower.
STEP 5
After completing the tire inflation pressure measurement
and adjustment, apply soapy water to the valve and check
for leakage.
STEP 6
Reinstall the tire valve cap.
■
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.
■
Effects of incorrect tire inflation pressure
Driving with incorrect tire inflation pressure may result in the following:
●
Reduced fuel efficiency
●
Reduced driving comfort and tire life
●
Reduced safety
●
Damage to the drive train
If a tire needs frequent reinflating, have it checked by your Toyota dealer.
■
Instructions for checking tire inflation pressure
When checking tire inflation pressure, observe the following:
●
Check only when the tires are cold.
If your vehicle has been parked for at least 3 hours and has not been
driven for more than 1 mile or 1.5 km, you will get an accurate cold
tire inflation pressure reading.
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