WHILE GETTING OUT OF THE VEHICLE AND WALKING TO THE TRASH CAN,CONSUMER HAD THE VEHICLE IN PARK AND THE VEHICLE POPPED OUT OF PARK INTO REVERSE AND HIT ANOTHER VEHICLE. OCCURRED TWICE, FIRST TIME DRIVER WAS ABLE TO STOP VEHICLE. THE CONSUMER IS HAVING PROBLEM'S WITH THE TRANMISSION, WHICH IS NOT SHIFTING INTO GEARS. AND THE CHECK ENGINE LIGHT KEEP COMING ON . *AK