[Confirmed Fix] How to verify 2018 GMC Terrain SLE key code before paying

4747 views - Last reply: November 28, 2024
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Need my 2018 GMC Terrain SLE's key code to program a new transponder key

Hello! We've developed a VIN-based tool to help you get your key code for the 2018 GMC Terrain SLE. Check it out here: VIN Key Code Generator.

Replies (4)

My 2018 GMC Terrain SLE's been in the garage for a week over this. Thanks!

Just wanted to say this guide helped with my 2018 GMC Terrain SLE!

Following this for my 2018 GMC Terrain SLE. Please update if it works!

Thanks! Been struggling with this on my 2018 GMC Terrain SLE for a while.

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