My car wont start and it says theft?

1998 CADILLAC DEVILLE
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RUFUSRICH1979
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  • 10 POSTS
My car wont start and it says theft system problem. My radio,power seats,and heat do not work does it have to do with theft system or is it something else
Jan 21, 2015 at 4:02 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
o have a different key try that if not then it will need to be scanned to see what is wrong with it.
Jan 21, 2015 at 4:09 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,717 POSTS
I would check all of the fuses with the key on, here is a guide to help, if the fuses are good I would do a hard system reboot, this guide will show you how.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/step-by-step-guide-performing-a-hard-system-reboot-for-your-vehicles-electronics-systems

Here are the fuse locations. Check out the images (below). Please let us know what happens.

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Oct 10, 2024 at 10:28 AM
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