ON THREE OCCASIONS, WHILE PARKING MY VEHICLE AND REVERSING OUT OF A PARKING SPOT, MY VEHICLE SLIPPED AND AUTOMATICALLY ACCELERATED FORWARD WITHOUT ME PRESSING THE GAS PEDAL. THE MOST RECENT INCIDENT OCCURRED ON MAY 17, 2018 WHILE I WAS ATTEMPTING TO PARK MY VEHICLE AND IT AUTOMATICALLY ACCELERATED WITHOUT ME PRESSING THE GAS PEDAL AND CAUSED ME TO CRASH INTO 2 POLES THAT WHERE PLACED IN FRONT OF A DOORWAY IN THE PARKING LOT. THE SECOND ISSUE I HAVE WITH THIS VEHICLE IS THE POWER BUTTON ON THE IGNITION WILL NOT TURN OFF WHEN I PRESS THE OFF BUTTON. IN ORDER FOR THE POWER TO TURN OFF, I HAVE TO CONTINUOUSLY PRESS THE BRAKE, MOVE THE PARKING GEAR BACK AND FORTH AND PRESS THE IGNITION BUTTON SEVERAL TIMES BEFORE THE POWER SHUTS OFF.