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Q:

WHY DOES MY SECURITY LIGHT FLASHES AND IT WANT CRANK WHEN FLASHING on 2003 GMC Envoy

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
IT CRANKS WHEN ITS NOT FLASHING BUT WHEN IT FLASHES IT WANT DO NOTHING
(3) Answers
Do you use the same key every time?
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scan anti theft for codes and post so we can adv
there maybe a problem with the onboard security system...
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