Question about 1999 Oldsmobile Alero
Seems like what they did was had the car anti theft system reprogrammed to the new key only. Your car has a transponder anti theft system on it. What this does is your old key has a chip in it that when you put it in the ignition it emits a certain frequency picked up by the car. when the frequency matches the car, the car starts, when it doesnt your car will not start or not stay running very long such as your case. I would get ahold of the dealership and have your keys reprogrammed (unless your ok with using the new one the towing company made). Good luck to you and thanks for using fixya!
Posted on Dec 09, 2008
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