car symbol with lock - Security light?

2004 GMC SIERRA
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BONNIECP
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2004 GMC Sierra Four Wheel Drive Automatic 76000 miles

what is the light on dash for...looks like front of truck with padlock on it locked?
Jun 6, 2010 at 8:45 PM
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INTERNETMECHANIC
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  • ASE Certified Mechanic
Does it look like this? Content theft deterrent,


https://images.2carpros.com/forum/automotive_pictures/512072_content_theft_deterent_1.jpg

Here is a guide to help you reset the system https://www.2carpros.com/articles/how-to-reset-a-security-system Please run down these guides and report back.
Jun 7, 2010 at 11:49 AM
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