I know this is an old thread but I’ll give it a shot. Having the same issue with my 2018 Tahoe Premier. It would be understandable if it had always been that way, but what I can’t understand is why it’s not on all vehicles, just some of them, it seems to be at random. (Maybe a production line?)
My 2018 Premier doesn’t fold flat but my 2015 LTZ folded PERFECTLY FLAT. I’ve also come across a car review posted by a reputable site talking about the writer’s first impression of the new 2015 Tahoe model at the time. He notes the issue with the 3rd row not laying flat like on other SUVs. So, why wouldn’t his 2015 Tahoe seats lay flat but my 2015 would? That makes no sense. Either all lay flat or none. And if some lay flat, why can’t a dealership compare the flats to non-flats and spot the issue?
Based on the experience of all out there who’s tinkered with the seats, is there any way to adjust it without taking the seats out for good? Thanks for reading!