So my gf drives a '11 Mercury Milan with 60k on it. She was driving home from work the other night and was doing around 40mph cause there was heavy fog. While driving her car lurched forward and the rpms were bouncing up and down. The transmission light came on so she pulled over, put it in park, turned the car off and sat for a few minutes. Turns the car back on and everything is working fine again. wth happened? I'm thinking a transmission fluid change will help since it's never been done but is there something more seriously wrong? Was it a fluke? She drives a lot of miles each day to and from work and can't have a car that could leave her stranded.