THE CAR WILL GO BACKWARDS WHILE IN PARK, SPECIALLY WHEN THE BATTERY IS DEPLETED. LATE AT NIGHT I HAD PARKED THE CAR IN THE MIDDLE OF THE STREET GOT OUT AND WAS GOING TO MOVE A TRASH CAN OUT OF THE WAY WHEN THE CAR STARTED ROLLING BACKWARDS. I TRIED TO STOP IT BUT COULD NOT SO I HAD TO JUMP IN AND PUT ON THE BRAKES JUST IN TIME BEFORE IT HIT THE NEIGHBORS CAR. I GOT A BRUISE ON MY KNEE TRYING TO GET IN TO THE CAR. I WAS ABLE TO REPEAT THE PROBLEM AND VIDEO TAPE IT AS PROOF. GM ENGINEERING HAD SOMEONE COME OUT FROM RAYTHEON AND CHECK OUT THE CAR AND HE ALONG WITH THE MECHANIC AT MOSS BROTHERS CHEVY CONFIRMED THE PROBLEM. THEY SAID THEY COULD NOT REPAIR THE PROBLEM, AND THEY WANTED THE CAR BACK AT GM TO RUN FURTHER TESTS ON IT. THEY OFFERED TO REPLACE THE CAR BUT I WAS NOT SATISFIED WITH THE PRICE DIFFERENCE I HAD TO PAY FOR THE REPLACEMENT. THEY HAD TO DELIVER THE CAR ON A TOW TRUCK BECAUSE IT WAS DEEMED TOO DANGEROUS TO DRIVE. THEY TOLD ME THEY WILL NOT REPAIR IT UNDER WARRANTY THE SERVICE MANAGER SAID HE COULD NOT TOUCH IT AT GM ORDER. I AM STILL TRYING TO FIGURE OUT A WAY TO REPLACE THE CAR BECAUSE IT IS UNPREDICTABLE HOW THE PARK AND REVERSE GEARS WILL ACT I HAVE MANY EXAMPLES OF THE PROBLEM ON YOUTUBE AND ON ONE OCCASION THE CAR WOULD NOT GO BACKWARDS IN REVERES AND AFTER A FEW MINUTES IT SUDDENLY JERKED BACKWARDS AT HIGH SPEED SCARING ME AND MY FAMILY. HERE IS THE LINK I PROVIDED TO GM BEFORE THEY TOOK THE CAR IN. HTTPS://WWW.YOUTUBE.COM/PLAYLIST?LIST=PL7ETUGM