Vsa Warning Light On problems of the 2006 Buick Terraza

I bought this vehicle in Feb. 2015. About a week after purchase I was going to work one night and the vehicle suddenly veered to the left and brakes locked. The stability light then came on. I pulled over and shut the van off and restarted it . No light was on then. About one month later it did it again. This time I was going about 50 miles ph. A car behind me almost hit me from behind due to the sudden stop. Another month went by before it started doing it again. This time it veered into the path of a semi tractor trailer. I then called the dealership and they agreed to have it fixed. I got it back a week later and it still has the same issue. This problem is going to cause a major accident and hopefully no one gets killed!!!!!! Buick needs to recall these vans immediately.

Problem, stability control light stay on. Problem, traction control light stay on.

The contact owns a 2006 Buick Terraza. The contact stated that the stability control warning light illuminated, causing the brakes to activate without warning. When the failure occurred, the vehicle would become difficult to control. The dealer made three attempts to duplicate the failure but to no avail. The vehicle was taken to a private mechanic who recalibrated the vehicle however, the failure continued. The manufacturer was made aware of the failure but did not offer any assistance. The current mileage was 65,000 and the approximate failure mileage was 57,000.