Anti theft alarm keeps going off

2005 BUICK LESABRE
100,000 MILES • 6 CYL • 2WD • AUTOMATIC
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CHARLES PHILLIPS2
  • MEMBER
  • 1 POST
After charging a completely discharged battery car starts but the theft alarm keeps going off. tried everything I can even reset the key transponder.
May 8, 2020 at 4:24 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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DANNY L
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 5,648 POSTS
Hello, I'm Danny.

Let's start first with an anti-theft, security system reset. Here is a tutorial showing what to do:

https://www.2carpros.com/articles/how-to-reset-a-security-system

After reading, scroll the page to find Buick.Let me know if this works.Hope this helps and thanks for using 2CarPros.
May 8, 2020 at 4:41 PM
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