Put in reverse to move backwards 5 feet or so the vehicle kept going and moving faster I applied the brake and hitting the brakes as well I didn't wonna hit the parked cars behind me so I put in park thinking that will also help stop the vehicle nothing worked it only stopped after hitting my other car that was parked on the street I tried everything to stop it it just took off I came out a beautiful morning to change the radiator it was dripping from the bottom I purchased a new one I put the car front wheels on ramps to look underneath to see what sockets I needed I got in vehicle just to lower off ramps backing down slow foot covering brake once the car touch ground it accelerated not fast but wouldn't stop it happened so fast but I applied the emergency brake its moving faster applying the brake as well im looking in the mirror at wants behind me as well I put in park thinking that would stop the vehicle but it was accelerating didnt stop until it hit the car parked on the street that's also mine it was dangerous and scary and im thankful it wasnt a tragedy normally my grandkids would be playing out there i could killed them I cant stop thinking about the what could been driving 42 years I consider myself a good driver defensive driving course never had a chargeable accident drove professional also for 32 years I did all I could think of in that little bit of time it just accelerated again backing tapping brakes 2 or 3 times coming down off ramps front maybe 4 or 5 inches