2007 GMC Sierra prior owner had side mirrors replaced with larger. Doors locks malfunctioning.

jrl3722jrl3722 Member Posts: 1
edited October 2017 in GMC
Prior owner replaced side view mirrors and now doors lock automatically whether they are open or closed. Hang on to your keys or you'll be locked out. Any ideas how to correct.


  • PF_FlyerPF_Flyer Member Posts: 9,372
    edited October 2017
    From poking around, I'm thinking it might not be related to the mirror replacement. I'm seeing a lot of info online about how the door locks are programmed from the manufacturer and how to change the programming. Here's a link to a pdf of the 2007 GMC Sierra Owners Manual. Information about the program modes and how to set them starts on page 123.
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