I purchased a brand new jaguar xkr convertible from my local jaguar dealer on 1st august 2007. shortly afterwards, whilst driving on the motorway i accelerated to overtake a car in the middle lane. when i released my foot from the accelerator, the car continued to go fast. it would not slow down. i applied the brakes and the car momentarily appeared to slow down but the sheer power of the engine continued to make the car go faster. the only way i could stop the car, was to put the gearstick into park and press the start/stop button. i took the car back to the dealers and they said there was nothing wrong with it but they reset the computer. this same problem has happened on a few occasions. the last time was on 16th january 2008 which was the last time i drove the car. the car went back to the dealers and that is where it remains some 10 months later .i have 3 witnesses including my wife and a traffic cop who were both in the car on separate occasions. i had a meeting with jaguar cars uk and the dealers back in august, but they failed to prove anything. a court case is arranged for 7th and 8th january 2009. *tr