Software Problems of Cadillac STS

2007 Cadillac Sts bought as a demo in florida in April, with about 3,500 miles on I told the salesman that this was going to be used exclusively at my connecticut address and I would be driving it there shortly after purchase. My complaints are first with the conditions of sale in florida, and subsequently, with the failure to repair issues both in florida and now connecticut. I bought the vehicle with the agreement that it would be made as new as possible. ¿ this was to include a new battery (since it was dead in the showroom), the oil would be changed, and all the door and dash scuffs would be removed. The battery has finally been replaced here after failing twice, the scuffs they fixed in florida keep coming right back on the doors and dash, and I just paid for the oil change that never took place for the sale. The day I drove the car off, the salesman indicated they topped it off. ¿ it was into service at least three times within the first weeks of ownership in florida. It has already been in for service three days here in connecticut, my last visit to service was for two days, and nothing was done or solved. The voice command system just doesn't work properly. It continues to hear me incorrectly, or hears/repeats me correctly but then does not do what it says. As you use the wheel button to progress through the six presets and go back to the first, it skips over the first and sometimes the second button. To make matters worse, the volume periodically takes off with increasing loudness uncontrollably. In any case, they tell me that corporate is aware of the voice problems and has been trying to come up with a software fix. To my thinking, this is an 07 and they havent come up with a fix for it yet? if it hasn't been fixed yet, it is not going to happen late in 08 and they claim I am not alone with these issues!.

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2005 Cadillac Sts indicator illuminated on the dashboard stating "vehicle speed limited to 80 miles per hour". ** answer required*** the indicator illuminated two days after the vehicle was purchased. The vehicle was taken to the dealer but they were unable to identify the cause of the problem because no other trouble codes were triggered. The problem occurred several more times but the last time it happened the vehicle lost power to the engine while attempting to pass another vehicle. The indicator remained on until the consumer pulled over, shut the vehicle off then restarted it. After the vehicle was driven several more miles the light came on again and the vehicle continued to perform erratically. The vehicle was taken back to the dealer but they still couldn't find any trouble codes. A software upgrade was performed but that did not fix the problem.

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Check engine light continues to illuminate even though I have changed both O2 sensors twice. Dealer keeps telling me I need another O2 sensor. Aldata shows a software upgrade is neede to correct the problem.