My sub won't move in drive or reverse

What is your question?

I got this car about 5 months ago and I told the man who sold us it the car need to be service to have the rotors done I noticed a clicking noise when you started the engine I asked him to have it serviced I was driving home today and I could not put the car in Drive reverse the bad part about it as was I have a newborn in the car only 3 weeks old and was stranded on the highway for over 3 hours and then there was a recall on the vehicle will be never got the Carfax on this vehicle from the dealership what would be the best suggestion to do