I was making a 90 degree left turn, at a very slow rate of speed, onto a tarred parking bay located in front of a hedge approximately 4 feet high. (This is a parking spot I was very familiar with, and moving extremely carefully which is necessary, because the small cat colony I was there to feed were milling around on the parking bay as they always do.) When I depressed my brake to bring the car to a complete stop, my vehicle surged forward through the hedge and landed up against a wall on the other side of the hedge. The movement was wholly unexpected, and directly contradictory to my braking to bring the vehicle to a stop. It felt as if I, the driver, was not actually in control of the vehicle for those few seconds. After the tow truck pulled it back onto the parking bay, although my Subaru was still mechanically drive-able, I had the vehicle towed to the closest Subaru dealer as it would have been irresponsible for anyone to drive the vehicle given the unexplained spontaneous acceleration issue that had just occurred. I immediately reported the accident to AAA Insurance and made the Claims Representative at the time, and subsequently the Insurance Adjuster, aware of the safety issue experienced. ⢠The mechanical root cause is unknown ⢠Immediately following the body shop repairs I sold the vehicle back to Subaru and made them aware of the safety issue. ⢠I could have been injured. Fortunately, I was alone, and although in shock for several days, not physically h