Patriot Chrysler Dodge Jeep Ram of Chandler

My son purchased a car from these people May 1st and 30 days later the car is no longer running. We have been on a merry go round for the past 3 weeks about getting him back up and running with very to little no cooperation from this dealership. Grant it the sales manager we have speaking with has tried to help but we still haven't gotten anywhere. Not only have I been inconvenienced with having to take my son to work, while he is paying for a non working car that we had someone to look at already and replace the battery but we are the bad guys. Where is your integrity?