WHILE DRIVING I LEANED BACK ON THE SEAT AND THE LOWER LEFT FRONT OF SEAT PULLED UP ABRUPTLY, IT CAUSED ME TO ALMOST HAVE AN ACCIDENT. WHEN I CHECKED OUT WHAT HAD HAPPENED , THE SEAT TRACK THAT ATTACHES THE BOTTOM OF THE SEAT TO THE GLIDE RAILS PULLED THROUGH THE BOLT AND SNAPPED OFF. I HAVE CONTACTED GM ABOUT REPLACEMENT , THEY SAID THEY WILL GET BACK TO ME . THE PART NEEDS TO BE REPLACED WITH A NEW ONE. *JB