Tl*the contact owns a 2010 land rover sport. the contact stated that when his foot was not on the accelerator pedal, the vehicle would suddenly surge forward. he had to shift into neutral and shut off the vehicle in order to stop the acceleration. the failure was intermittent. the vehicle was taken to an authorized dealership three times for the failure. the dealer could not duplicate the failure or the cause of failure. the vehicle was not repaired when the complaint was filed. the contact called the manufacturer and was offered no assistance. the current mileage was approximately 3,500. the failure mileage was approximately 700.