Thanks all for the input. Ended adding another 21 ounces before it registered full. Did it gradually. No leaks showing up yet. I'm sure we'll figure out the problem before spring. Right now, its running great.
Son drove home from college today and said the transmission had been shifting strangely the past few weeks. I warmed up the car put in neutral and checked the fluid. It was low.
I added about 20 ounces of ATF, drove it around for a few minutes, back into neutral. Son checked it this time and...