The tire pressure is listed on the tires. The tire pressure is determined by the tire itself so you will need to look at the actual tire you should see numbers like 16/205/60r and another number like 44psi you need the number with psi following it and that will tell you your Pounds per Square Inch needed for the correct pressure
SOURCE: lexus ls430 2004 tire pressure indicator
Veve713:
You probably didn't need new tires unless you had some miles on it. Remember that the spare tire also has a pressure monitor as well. It most likely is causing the low tire pressure light on the dash and only needs to be inflated back to what ever your other tires are set to. I had the same problem on my RX and took it back to the dealership where they told me since the spare is exposed to the same elements (it's under the back of the RX - you have to use the tire iron to let the spare down), it will inevidably lose air.
Good luck.
MDGolfHacker
SOURCE: Lexus sc430 tire pressure monitor
there is a reset button for the tpms either just above the accerlator or to the right of the glove box. press it and tah dah....you should be good to go.
Testimonial: "Knowledgeable expert...found the button (but unfortunately did not fix problem--maybe shop messed up a sensor in the tire)"
SOURCE: 2007 es350 lexus. stopped for gas. when ready to
most likely your key battery needs to be replaced. due to the involvment of the key, it uses alot more battery power then older cars and the battery should be replaced every year. hope that helps.
SOURCE: 2006 lexus gs300 tire pressure reset button
there is not a reset for the tire pressure monitor system, the system resets its self when all tires are inflated to the proper psi. 35 psi . dont forget about the spare. if all tires are properly inflated check the "2nd set" switch. it is located under the dash on the passenger side. sometimes they get bumped accidently. unless you have a 2nd set of wheels with sensors the switch should be set to "main"
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