WE OWN A 2007 GMC YUKON DENALI. MY 8 YEAR OLD SON'S THUMB ON HIS RIGHT HAD WAS TRAPPED IN THE HINGE ON THE REAR PASSENGER DOOR, AS HE WAS EXITING THE VEHICLE. WHILE HE WAS EXITING THE FRONT PASSENGER SEAT, AS MY OTHER CHILDREN OPENED OF THE REAR PASSENGER DOOR HIS THUMB WAS NEARLY COMPLETELY SEVERED BY THE HINGE. THE HINGE IS COMPLETELY EXPOSED, THERE IS NO SAFETY MECHANISM, COVER, OR PREVENTIVE FEATURE. THE HINGE COMBINED WITH THE WEIGHT OF THE DOOR, MOVES THE HINGE OPENING FROM ROUGHLY AND INCH OPENING TO A ZERO CLEARANCE AREA. THE HINGES CROSS OVER TOP OF EACH OTHER WITH THE TWO EDGE PLANES OF EACH PART ACTING SIMILAR TO A BOLT CUTTER OR TREE LIMB CUTTER. ONE OF THE EDGE PLANES HAS A RELIEF CUT WHICH ACTS AS A TRAP AS VERY LITTLE MOVEMENT OF THE DOOR ELIMINATES THE OPTION OF PULLING BACK A FINGER OR SMALL HAND. IF YOU WERE TO SIT IN THE FRONT PASSENGER SEAT, OPEN DOOR AND EXIT AS ONE NORMALLY WOULD, SIMPLY DROPPING YOUR ARM STRAIGHT DOWN PUTS YOUR HAND(FINGERS) AT RISK. THE ONLY REASON HIS THUMB WAS NOT SEVERED IS BECAUSE THE CHILDREN EXITING THE CAR STOPPED OPENING THE DOOR AND CLOSED IT SO HE COULD TAKE HIS THUMB OUT. HAD THE DOOR OPENED ALL THE WAY HIS THUMB WOULD HAVE BEEN LOST. AS IT REMAINS WE SPENT SEVERAL HOURS IN AN EMERGENCY ROOM, HE HAD TO HAVE 4 STITCHES AND AN XRAY. BECAUSE IT WAS ON THE JOINT NO BONES WHERE BROKEN. A TERRIBLE ACCIDENT THAT VERY EASILY COULD HAVE BEEN PREVENTED. *TR