I was driving my 2013 nissan quest, when without any warning it stop accelerating, it would nit go forward or backwards. i was stuck in the middle of traffic with a car full of my family this is very dangerous. i noticed that when the a/c is on the car will move forward or backwards. this is dangerous and when moving and you turn right or left the van stops accelerating with out anywarning no check engine nothing . this problem needs to be fixed before a hole family losses there life due to faulty warning and the transmission not working like it should, it sounds like this is an issue with a lot of the same model vans. *tr