I HAD JUST DROPPED OFF MY SON AT DAYCARE AND TURNED ON THE DEFROSTERS. I WAS SITTING IN THE PARKING LOT AT WORK, AND THE VEHICLE WAS COMPLETELY STATIONARY AT THE TIME. A RANK, BURNING SMELL FILLED THE TRUCK AND I IMMEDIATELY TURNED IT OFF. SECONDS LATER A LOUD "POP" OCCURRED AND THE REAR WINDOW COMPLETELY SHATTERED. THERE ARE SMALL PIECES OF GLASS THROUGHOUT THE BED AND INSIDE THE BACK SEAT. THANK GOD MY CHILD WAS NOT IN THE VEHICLE WHEN IT HAPPENED, AND THAT I TURNED OFF THE CAR BEFORE THE ENTIRE THING ENGULFED IN FLAMES.