On two separate occasions my old 2000 GM Cadillac sts stalled while driving on the highway. This was not a mechanical problem - it was some sort of defect. Note that it was "repaired" in between the incidents, do it was not the same initial problem. I filed a complaint back then, but got no response. The mechanics at the palo alto Cadillac dealer seemed to know of the problem. At the time, they said it was a failure of some sensors on the flywheel. I don't know if this was related to the current ignition switch problem. Having a vehicle stall at 65 mile per hour is absolutely terrifying. You lose power steering and brakes. It would have certainly ended up in an accident if I didn't understand how cars work. I was able to shift into neutral and restart the car. My point is, there was a defect on this car that appeared to be known by GM, and was also ignored. The complaint was ignored by the NHTSA. I think you should also inquire with GM what was known about this defect. As I wrote - they seemed to have known that this was a problem, and just repaired it, rather than understand the risk they were making us take. I ended up selling the car because of this issue.

- San Carlos, CA, USA

Vehicle experienced condensation on the front and rear lights. Consumer took the vehicle to the dealer, they changed the bulbs. However, the reason for the condensation build up was not resolved. Two inches of water accumulated in the rear lights shorting out the electrical system. Front bulbs go out when it rains or when the vehicle sits out of the garage.

- Merritt Island, FL, USA

The vehicle stalled without warning. The dealer had not determined the cause. The vehicle stalled a few times before but would restart. The last occasion the vehicle did not restart. Per invoice, the voltage at the relay had no ground and was found loose. The part was removed, cleaned, tightened, and the vehicle was able to start.

- Mcdowell, KY, USA