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Originally Posted by Subcool

So I was going to switch to amsoil 100% synthetic 5w-30 yet it’s not dexos approved. It’s a superior oil yet I’m wondering if there could ever be any warranty issues? Anyone else use this or think there could be a potential warranty issue?

It does not have the cert. So yes could potentially be an issue. There are plenty of good oils you can buy that meet the cert and not have any issues. No need for special expensive oil imo.