My automatic transmission shifts fine (first, second, third) in D position but ignores shifter positions 1 and 2 (acts like it's still in D Also, my backup lights stay on in Park. The shifter does not seem to be misaligned. In other words, P R N D 2 1 all seem to be aligned correctly with the shifter. I can't find anything in the manuals about such a problem. What am I missing? Any suggestions would be appreciated.