MY GMC ENVOY WAS PARKED UNATTENDED IN MY DRIVEWAY DIRECTLY NEXT TO MY HOUSE. MY SONS AND I WERE IN THE BACKYARD PLAYING WHEN MY OLDEST SON WENT TO RETRIEVE HIS BALL FROM THE DRIVEWAY. HE CAME BACK SCREAMING MOM YOUR TRUCK IS ON FIRE.I IMMEDIATELY RAN OVER TO SEE THE TRUCK FULL OF FIRE AND SMOKE. I CALLED 911. THE TRUCK DAMAGE WAS ALREADY DONE BEFORE THE FIREFIGHTERS ARRIVED. IT APPEARED TO COME FROM THE DRIVER SIDE WINDOW AREA. AFTER DOING SOME RESEARCH I LEARNED A LOT OF GMC TRUCKS HAD RECALLS ON CERTAIN PARTS THAT COULD PUT THE VEHICLE AT RISK FOR A FOR SETTING IT'S SELF ON FIRE.I NEVER RECEIVED ANY INFORMATION ON RECALLS FOR THE WINDOW SWITCH OR WAS AWARE OF THE NATIONAL RECALL UNTIL I LOOKED INTO IT THE EVENING OF THE FIRE.I STRONGLY BELIEVE THE WINDOW SWITCH IS WHAT CAUSED THE FIRE. IT HAD TO BE A DEFECTIVE PRODUCT MADE BY THE MANUFACTURING COMPANY.