Question about 2000 Cadillac DeVille
I'm a locksmith, I just re-keyrd the ignition lock cylinder, & successfully programed 2 keys, but the security light will not shut off. How do I get it to turn off??
It should have Turned off with the Insert of the Newly Programmed Key. If Not, It may need a Computer Reset. You Can try Pulling the ECM Fuse for 5 Min. to Reset the Computer. If this does not work, Try disconnecting the Battery and Reconnecting. Make sure that you have a RadioCode before Disconnecting the Battery Though. Please Rate My Response! Thanks!
Posted on Jan 30, 2009
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Posted on Jan 02, 2017
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