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Jim, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 1318
Experience:  ASE Certified A6,A8,L1 and California Licensed Smog Technician
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My Cadillac deville (2003) won't turn over it keeps saying

Customer Question

My Cadillac deville (2003) won't turn over it keeps saying service theft system....any idea what's wrong
Submitted: 2 years ago.
Category: Cadillac
Expert:  Jim replied 2 years ago.

The theft system is not recognizing the key for some reason, if you have a spare key, try that and see if it starts, if not, disconnect both battery terminals and rub them together, this will reset the theft module, reconnect cables and try again.

Customer: replied 2 years ago.
I want a refund I been tried that 3 days ago