Originally Posted by beru
My son stopped when I bought him a nicer, cushier carseat around 16 months and installed it more upright (it was still rearfacing). Since rearfacing is so much safer, I personally would try out another seat - maybe borrow one- and install the seat more upright. I don't think most people know that a rear facing seat does not have to have that perfect 45 degree angle once your baby can sit up reliably. And I suspect that for many of the kids whose disposition improved upon being faced forward, they were responding to the improved angle.
yep - this!
Worked for our dd, who is still rfing (now happily) at 31mos. Try a different seat at a more upright angle. DD loves to look out the side and back windows, and she uses the mirror to see what I'm doing in the passenger seat when dh drives (I can't sneak any snacks without her seeing!