I WAS DRIVING NORTH BEHIND A PICKUP TRUCK ,HE WAS STOPPED AT A TRAFFIC LIGHT. I APPLIED MY BRAKES AND IT APPEARED AS IF IT MADE ME GO FASTER INSTEAD OF STOPPING.. I COULD NOT STOP AND I RAN INTO THE REAR OF THE PICKUP TRUCK. MY EQUINOX WAS TOTALED. MY SEAT BELT ACTIVATED AND HELD ME IN PLACE AND THE AIR BAG ACTIVATED. MY ONSTAR CAME TO MY ASSISTANCE AND ADVISED ME TO STAY IN PLACE TILL HELP ARRIVED AND TURN ON THE IGNITION AND PUT ON THE EMERGENCY LIGHT SWITCH .I DIDN'T REMEMBER EVER TURNING THE IGNITION SWITCH OFF .COULD THIS VEHICLE BE ANOTHER ONE IN THE VEHICLES IN THE CLASS THAT HAS HAD BEEN IDENTIFIED WITH THE IGNITION SWITCH PROBLEM THAT CAUSES ACCIDENTS ? I SUFFERED A CONTUSION OF THE UPPER CHEST AREA. THE OTHER DRIVER WENT TO HIS DOCTOR FOR CHECK UP . *TR