WHILE DRIVING AT ABOUT 35 MPH, CONSUMER HIT BRAKES SUDDENLY AND PASSENGER'S SEAT SLID FOWARD, CAUSING THE PASSENGER TO HIT HEAD ON DASH. CONSUMER FEELS THIS IS A UNSAFE CONDITION. TOOK TO DEALER, AND THEY REPLACED THE TRACK ON THE PASSENGER'S SIDE SEAT, BUT NOW CONSUMER HAS TO SLAM SEAT WITH ALOT OF FORCE IN ORDER FOR IT TO LOCK INTO PLACE. *AK