The contact owns a 2011 Jaguar Xj. The contact stated that when shifting into drive, the vehicle suddenly accelerated with the brake depressed. The brake pedal was depressed with extreme force and the contact shifted into park before the vehicle would stop. The failure was experienced several times. The vehicle was taken to the dealer, who performed a diagnostic but was unable to diagnose the failure. The manufacturer was made aware of the failure. The failure mileage was 4,000 and the approximate current mileage was 8,000. Consumer stated his wife also experienced sudden acceleration. She shifted the vehicle into drive, with her foot firmly on the brake, when suddenly the vehicle accelerated dramatically to what she characterized as full throttle. She pressed harder on the brake pedal and immediately shifted the vehicle back into park. The engine speed then returned to normal. The vehicle was then taken to the dealer. Updated 04/15/13 updated 4/24/13 updated 05/14/13...updated 05/22/13 the consumer and the dealer discussed at length the possible explanations for the sudden acceleration and concluded that inadvertent simultaneous application of the brake and accelerator pedal was a distinct possibility. Updated 05/30/13

- Broken Arrow, OK, USA