I HAVE A 2004 CHEVY TRAIL BLAZER. THE LOCKING MECHANISM FOR THE WINDOW FAILED, ALLOWING MY DOG TO PUT HER FOOT ON THE CONTROL AND ROLL THE WINDOW UP ON HER HEAD. AS SOON AS SHE WAS TRAPPED I TRIED TO FREE HER, BUT THE WINDOW HAD GOTTEN OFF THE TRACK AND WOULD NOT LOWER. I STOPPED THE VEHICLE IN THE MIDDLE OF THE ROAD AND TRIED TO FORCE THE WINDOW DOWN BUT THAT WOULD NOT WORK EITHER. FORTUNATELY THERE WAS A POLICE OFFICER BEHIND ME WHEN THIS HAPPENED AND HE SHATTERED THE WINDOW WITH HIS BATON. IF THE POLICE OFFICER HAD NOT BEEN RIGHT THERE, MY DOG WOULD HAVE STRANGLED TO DEATH. THERE NEEDS TO BE SOME SORT OF SENSOR TO PREVENT THE WINDOWS FROM ROLLING UP IF THERE IS AN OBJECT IN THE SPACE. I KNOW CHILDREN AS WELL AS PETS HAVE BEEN KILLED BY THIS AND IT NEEDS TO BE CORRECTED. ANOTHER POSSIBILITY IS TO POSITION THE CONTROL VERTICALLY ON THE DOOR TO MAKE IT LESS EASY TO ACCIDENTALLY TRIP.*AK