2003 Chevy Monte Carlo security

2003 CHEVROLET MONTE CARLO
80,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BSTEP1963
  • MEMBER
  • 1 POST
my security light comes on and won't let me start the car, whats the cause
Nov 4, 2009 at 5:44 AM
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BMRFIXIT
  • ✓ASE Certified Mechanic
  • 19,053 POSTS
  • ASE Certified Mechanic
Ignition switch and or key worn out need replacement
turn key on for about 10m in or until security light stop flashing and that should get you started again
Nov 4, 2009 at 6:17 AM
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