i dont know why but the other day i was driving my service light went on. i was driving at about 45-50 mph and all of a sudden my car downshifted into second! i look down to see if i accident put it there and didnt pay attention and it was still in D. and my overdrive was on too. so i let go of the gas and the rpms drop slowly. and when i press on the gas it rises slowly as well. so i think it's staying in second. idk why my car is doing this. i think its when its hot, because when i turn the car off and let it sit for a while it doesnt do it until driving for a while. i checked my transmission fluid and its good. idk what it could be. sound familiar to anyone???
i need help!