ATTEMPTING TO SLOW DOWN THE CAR ACCELERATED INSTEAD CAUSING ANOTHER VEHICLE TO BE STRUCK. ENDED UP IN A NEIGHBORS FRONT YARD 2 FEET AWAY FROM BRICK WALL BEFORE IT FINALLY CAME TO A HALT. WAS ABLE TO DRIVE CMAX HOME WITHOUT FURTHER INCIDENT AND INTENDED TO TAKE CAR IN FOR SERVICE ON 1/21/2015. ON 1/20/2015 UNABLE TO UNLOCK WITH REMOTE. THEN UNABLE TO GET CAR STARTED AND HAD TO BE TOWED IN. *TR