all tires aired correctly, still have "check tire pressure " warning light. how do I clear the light?
Check your spare tire
There should be a rest procedure in the owners manual. My 06 Sienna has the reset button under the steering column.
+1
When my friend was befuddled by the same problem with his 2008 Rav, I checked his spare tire and–voila–
I found that the spare was very low on air.
If the spare is OK, one or more of the pressure senders inside the tire might have worn out the battery. Batteries aren’t usually replaceable and you may have to replace the sensor. And is one sensor is bad, change them all as the others are not far behind.
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