Tl*the contact owns a 2006 chevrolet impala. while driving 10 mph or stopped at a stop sign, the vehicle lunges forward 10 to 15 feet by itself. the failure occurs whenever the vehicle is driven. the vehicle performs the same way when in reverse. for the past two months, the service department at the dealer has had the vehicle. all of the service department personnel agreed that the vehicle lunges forward abnormally, but stated that nothing could be done. the current mileage was 7,000 and failure mileage was 1,000. updated 01-10-08. *kb the consumer stated overhead dome light stayed on, transmission hesitates and bumps on 1-2 shift, and a/c blows warm intermittently. updated 01/04/07 *tr