Tl*the contact owns a 2007 jaguar xk. while driving 20 mph, the vehicle experienced numerous computer failures, which caused a complete loss of power, manual steering, and braking ability. the vehicle was taken to the dealer five times. each time, the dealer diagnoses a different failure; however, the symptoms are always the same. the battery was replaced three times and they enhanced the computer program and replaced the abs. the failures are temporarily corrected for approximately a week, but then recur. the failure mileage was less than 1,000 and current mileage was 9,500.