Proper Pressure for Michelin PS4?

[4thPcar]

I have the MY 2022 base with 285/40R20's and am confused with by all the different sources. Car's label says 35F/38R. ChatGPT says 35F/33R. Guy at Discount Tire said all the Taycans he sees are requiring over 40! I know that Porsche puts out an online link with updated info on recommended tire pressure but I don't know how to find it.

Any help?

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[Tooney]

Look it up in the manual in PCM, and/or
https://static.nhtsa.gov/odi/tsbs/2026/MC-11027133-0001.pdf
(From list of all Taycan TSBs by @rs38 here: https://ti-list.azurewebsites.net/ )

 

[4thPcar]

Look it up in the manual in PCM, and/or
https://static.nhtsa.gov/odi/tsbs/2026/MC-11027133-0001.pdf
(From list of all Taycan TSBs by @rs38 here: https://ti-list.azurewebsites.net/ )

That's the link I lost! Thank you And score one for ChatGPT. It was the only one to nail the right answer.

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