2009 MAZDA CX-7 Power Trainautomatic Transmission Problems

I JUST BOUGHT A 2009 MAZDA CX-7 THREE WEEKS AGO, WHILE DRIVING MY CAR ON THE THIRD WEEK, MY CAR STOPPED SHIFTING GEARS. AS I WAS DRIVING DOWN THE HIGHWAY IT JUST STOPPED. I HAD THE CARE TOWED INTO THE SAME DEALERSHIP I BOUGHT THE CAR AT, AND COME TO FIND OUT THE TRANSMISSION WENT OUT ON THE CAR. I TOOK THE CAR INTO THE DEALERSHIP ON FRIDAY, DECEMBER 12, 2008. I WAS TOLD THAT I WOULD RECEIVE A CALL FROM SOMEONE ON MONDAY, I WAITED AND FINALLY WENT TO THE DEALERSHIP MY SELF AND THEY HAD NO ANSWERS ABOUT THE CAR. I THEN CALLED MAZDA'S CUSTOMER SERVICE LINE AND MADE A COMPLAINT ABOUT WHAT WAS GOING ON AND THEY TOLD ME THAT THEY WOULD CALL ME BACK WITH WHAT WAS HAPPENING, AT THE TIME THEY CALLED ME BACK IS WHEN I FOUND OUT ABOUT THE TRANSMISSION. I WAS INFORMED...