Cruise Control Problems of Cadillac CTS

Went to pull into a parking spot, hit the brake, the car sped up hitting another parked car. I had a problem yesterday, put car in cruise control(50 mph) on the highway, went to brake to turn, cruise control would not disconnect, had to shut the system off manually. Similar periodic problems in the past.

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Had my cruise control set at 70 mph for highway driving when I heard a psshhh sound and cruise control broke violently and smelled burnt rubber with smoke coming from back end of car. Pulled over immediately and car smoke from back end and smell only increased. Thought for sure I had a tire blowout. Walked around car and nothing wrong with tires. Had car towed to an auto repair place and am told that the rear differential went out. I have since investigated and found many, many forums about this issue. There are no recalls for this particular model but a certain recall for 2005 models. This situation could have been deadly and I feel both fortunate and upset with gm that such a problem has been so commonly noted but with no "real" resolve. The auto repair place has called around and this is a special part that is not available in my state and a new one costs an estimated $1,200. With so many issues with models 2004-2006 how come there is no recall for 2004 and only a lesser degree of a recall for 2005?.

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2003 cadilac Cts. Consumer writes in regards to problems with brake system the consumer stated the metal brake line had to be replaced, due to severe corrosion. The consumer stated he received a recall letter two days later. Also, the struts, three wheel bearings, radiator, transmission cooler line also had to be replaced due to corrosion. The cruise control and gas tank, which was leaking had to replaced.

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I purchased this vehicle in November 2011 with approx. 97,000 miles showing on the odometer. During a thanksgiving holiday trip of some 1600 miles, consisting mostly of highway driving with the cruise control engaged, and for no apparent reason, the asc (automatic stability control) would disengage the cruise control, "tug" the vehicle to the left or right slightly, seemed to have a slight braking effect (although it may have been the sudden deceleration that caused the sense of braking) and would display " stability control engaged". This occurred numerous times. Also, on this same trip, the "traction control" would engage, without warning or need, and disengage the cruise control causing sudden, unexpected, deceleration. This too happened numerous times. Although I did notice that the "traction control" seemed to engage when in a curve on rough or bumpy roads. I concluded that this was the result of a sudden "wheel hop" or "spin" as a result of losing traction from the "bounce" when hitting a bump or rough spot. I've run the "onboard diagnostic system" several times and no codes pertaining to these events are displayed.