Car Accelerates On Its Own problems of the 2007 Chevrolet Impala

This car has less than 100k miles and chevy dealerships refuse to diagnose the issue with the transmissions and there are multiple complaints about this issue this car is unsafe. The issue is random jerking of the transmission upon taking off in traffic, at light, or from stand still has caused: (a) my wheels to spin, (b) the car to pull into the next lane, (c) almost rear-end collision with car in front, and (d) sudden rapid acceleration in traffic. The car I almost rear-ended was a 2007 chevy police Impala the officer exited his car asked was there a problem I told him about the transmission issue and he stated "yea mine does that too this car isn't a safe one" this need to be addressed nationally.

The contact owns a 2007 Chevrolet Impala. The contact stated that attempting a right turn, the vehicle suddenly accelerated and she was unable to engage the brakes. The contact mentioned that the vehicle crashed into a brick wall. A police report was filed and the driver was badly bruised. The vehicle was towed to the dealer who was not able to diagnose the failure. The manufacturer was not made aware of the failure and the vehicle was not repaired. The failure and current mileage was 21,000. Updated 11/29/11 updated 12/02/11.