Problem: Unintended Acceleration, air conditioner operating. Incident Scenario: Approaching driveway, stopped to allow pedestrian to pass. Resumed low speed turn into driveway, Abrupt acceleration of vehicle, launching vehicle over granite curb and into nearby tree. Damage: Passenger R.Front Fender, Passenger Headlamp Assy;Lower Control Arm Assy, Front Bumper cover, Passenger wheel rim bent, tire deflated. Unintended vehicle acceleration is a serious safety defect and can occur when the Idle Air Control Valve is defective or is provided incorrect engine rpm signal from Engine Control Computer causing sudden vehicle acceleration.