CONSUMER ABOUT TO PULL INTO GARAGE ,SHIFTED TO REVERSE TO GET VEHICLE ALIGNED BETTER, SHIFTED GEAR INTO DRIVE, TAPPED GAS PEDAL; VEHICLE ACCELATERATED SUDDENLY AT EXTREME FORCE/ SPEED, CAUSED THE VEHICLE TO STOP AT APPROX 20 FEET, CAUSED INJURIES, LEFT TIRES MARKS, VEHICLE WENT INTO GARAGE SIDEWAYS. *AK