CURRENT RECALL STATES: "THE AFFECTED VEHICLES, EQUIPPED WITH THE POWER LIFTGATE OPTION, HAVE GAS STRUTS THAT HOLD THE POWER LIFTGATE UP WHEN OPEN. THESE STRUTS MAY PREMATURELY WEAR AND THE OPEN LIFTGATE MAY SUDDENLY FALL." MY VEHICLE IS CURRENTLY HAVING THIS PROBLEM. THE BACK LIFT GATE WILL OPEN AND THEN WITH GREAT FORCE CLOSES DOWN QUICKLY. THIS IS AN EXTREME SAFETY CONCERN AS I WAS STRUCK BY IT ON MONDAY 10/26/2015 WHEN THE PROBLEM INITIALLY OCCURRED. AFTER SPEAKING WITH GMC THERE IS CURRENTLY NO RESOLVE. THIS IS A HUGE SAFETY CONCERN AS I HAVE TWO YOUNG CHILDREN, AND NO RESOLUTION IS NOT ACCEPTABLE.