Should I replace my 2yr old TPMS when changing tires?

Discussion in 'Gen 3 Prius Main Forum' started by Somu, Dec 31, 2025.

  1. Cornvalue

    Cornvalue New Member

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    @Mendel Leisk Surely this could be determined by many other sensors ie VSC etc.

    I do generally agree this system is sound - apart from Toyotas unsmart implementation to not auto learn new IDs until perhaps 2017-18.

    That is not ok. Also - replaceable batteries should be mandatory. It’s all in all not pro.
     
  2. ASRDogman

    ASRDogman Senior Member

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    So who's going to design them? YOU can do it! (y)
    Something that only likely needs to be replaced once in the life of the car, and is inexpensive?
    Unless you purchase aftermarket ones, then their is no telling how long those batteries will last.

    You CAN replace the battery, it's just takes some time. There are videos on youtube on how to do it.
    Remember you have to fill the void so to protect from the heat and possibility of the battery cell getting
    thrown out and flopping around in the tire....
     
  3. rjparker

    rjparker Tu Humilde Sirviente

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    I love threads like this. Its easy to id the grumpy old men (some early onset). And some females who are under informed.
     
  4. ASRDogman

    ASRDogman Senior Member

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    Easy to id the kids that think they know it all..... ignored...
     
  5. Mendel Leisk

    Mendel Leisk MMX GEN III

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    Yeah he lost me at “early onset”.

    I’d like to think I’ve developed a “surge pile” over the years, become less prone to knee-jerk reaction, separate wheat from chaff.

    @bisco is the sensei in that department. :)
     
    #45 Mendel Leisk, Feb 2, 2026 at 8:30 AM
    Last edited: Feb 2, 2026 at 8:36 AM
  6. Georgina Rudkus

    Georgina Rudkus Senior Member

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    I'll keep mine as proverbial dead doornails and turn off the light on the dash.
     
  7. notspam3

    notspam3 Member

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    Did they get you to change your blinker fluid or just a top up?
    upload_2026-2-2_9-50-18.jpeg