Can you reach the pull tab with this
https://www.amazon.com/s?k=pick+up+tool&adgrpid=55077589374&hvadid=651266055091&hvdev=m&hvlocphy=9003429&hvnetw=g&hvqmt=e&hvrand=3847630185026424648&hvtargid=kwd-301689665501&hydadcr=12193_13429349&tag=hydsma-20&ref=pd_sl_18qwakcy5n_e
Unless you have the climate controls set to off most of the time, the filter should be changed per the schedule in your owners manual or you can remove it and inspect it.
I should never have responded to this thread. It came as an email notification and I automatically assumed this was the Mach 1 forum. My apologies to all.
I have used the UPR plug since 2021, no problem. I do notice UPR uses a double O ring. I'm curious if anyone with a Mach 1, not a GT350, different engine, has had an issue?