I AM A PARAPLEGIC THAT HAS NO FEELING FROM MY CHEST DOWN. I RECEIVED A 3RD DEGREE BURN ON MY LEFT BUTTOCKS FROM THE HEATED LEATHER SEATS IN MY 2004 JEEP GRAND CHEROKEE. I USED IT FOR A TOTAL OF ABOUT 1 1/2 HOUR TO 2 HOURS, WITH ABOUT AN HOUR BREAK IN THE MIDDLE. I NOTIFIED JEEP, THEY LOOKED AT AND SAID IT WASN'T THEIR FAULT. I HAVE A BURN AND SCAR TO PROVE IT. *JB