Last night...I got in my C-Max, turned the key to start....the engine fired up for a split second and then shut down. (normally in this warm weather the engine would not have started at all until I start driving) I put it into reverse and nothing...I didn't feel that normal grab of the tranny. So I take my foot off the brake and slowly step on the gas...and BANG!!!!! I thought the transmission fell out of the car. It kinda felt like it was trying to go forward and reverse at the same time.....I felt the pull back then the bang and then a pull forward and another clunk. Scared the crap out of me. Anyway...I shut the ignition off.....waited a few seconds and turned it back on again in the normal way like I was starting the car. Everything was normal at that point, put it in gear and drove home. Went to work today...everything was normal. What do you think? Should I take it into the dealer? By the way..it has 13,500 miles and I haven't had any problems up to this point.