Shut off the car, got back in started the car up and it would not start. Unknown driver appeared on the dash. What could be the problem?
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1999 Buick Park Avenue Question: Driver Unknown
Answer #1Russ March 08, 2009, 19:59Master
It sounds like a problem with the anti-theft system. The system may not be reading your key correctly. If you have spare key, try it and see how it works.
Answer #2Visitor, May 22, 2010, 09:24
What could be the problem
Answer #3Jim Taddei May 23, 2010, 13:53Master
If trying your spare key does not work, chances are the fault is with the Passlock sensor. For more information please read the RepairPal article on GM Passlock anti-theft systems, here is the link - http://repairpal.com/gm-passlock-anti-theft-systems.