Unknown, I was pulling into a parking spot, at Sam's Club, and lightly tap the gas petal for the turn and the truck lunched forward in the one carlink, and hit a concrete parking pole (Sam's club in Southgate Michigan has security cameras) it warped around the pole and bent the frame as if though it was 90 mph and a telephone pole.. I had taken it in twice under warranty for the gas pedal not working correctly, the warranty company would not allow a 3rd repair nor did Ford dealership take that warranty company. The airbags did not deploy, and I now have a T4 fractured vertebrae.