Security system wont turn off

2000 GMC JIMMY
169,867 MILES • 4.3L • V6 • 4WD • AUTOMATIC
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LILLJOHNSON
  • MEMBER
  • 1 POST
The security is going off. Horn blows, lights flash on and off. Have replaced batteries in remote still doing same thing.
Nov 16, 2016 at 10:47 AM
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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HMAC300
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 48,601 POSTS
try resetting it. See picture.
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Nov 16, 2016 at 12:17 PM
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