Well the sedan's dont have the same locking mechanism for the back seat. There was a topic on this awhile back... like a year ago or somethin... but from what I remember its just either in a different place or just a completely different design... hmm my memory fails me on that. but the front seats should line up exactly since they did not change anything like that when upgrading the modles in later years.
Also, I don't think you'll have the latch for baby seats when swapping sedan seats into a hatchback. They're built into the rear deck above the seats in the sedan, and I would think they're built directly into the seats on the hatch.
I forgot to mention, I think his airbag light is still on. As far as I know, he hasn't figured out a way to turn it off... so we aren't sure if the side air bags would deploy in a crash (if he has them).
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