DOUBLE PARKED MY VEHICLE IN A BUSY URBAN RETAIL COMMERCIAL AREA IN HOBOKEN, NJ AND LEFT IT RUNNING WHILE I WENT INTO A STORE TO PICK SOMETHING UP QUICKLY. WHEN I RETURNED THE CAR WAS GONE. IT HAD BACKED ITSELF UP HALFWAY DOWN THE BLOCK AND TURNED INTO TRAFFIC, CROSSED 2 LANES OF TRAFFIC AND SMASHED INTO A CAR PARKED ON THE OTHER SIDE OF THE ROAD. CAUSED MINOR DAMAGE TO THE REAR QUARTERPANEL. COULD HAVE RUN SOMEONE OVER, COULD HAVE MOWED DOWN A BUNCH OF KIDS, WHO KNOWS!?! THE ELECTRONIC SHIFTER IN THE JEEP SHOULD HAVE BEEN IN PARK BUT WAS ACTUALLY IN NEUTRAL. IMPOSSIBLE TO TELL WITH NO TACTILE FEEDBACK, ALL THE GEARS FEEL THE SAME TO THE TOUCH.