all the security lights are all on

2000 CHEVROLET IMPALA
150,000 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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CHESLEY
  • MEMBER
  • 1 POST
Changed radiator and removed battery, then put it back on. now all the security lights are all on the dash and car will not start.
Dec 20, 2020 at 2:28 PM
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DANNY L
  • Experienced Mechanic
  • 5,648 POSTS
Hello, I'm Danny.

Let's try this anti-theft, security system reset first. Here is the link to to tutorial:

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

After viewing just scroll the page to find Chevrolet. Let us know what happens and we'll go from there. Hope this helps and thanks for using 2CarPros.
Mar 12, 2021 at 1:29 AM
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