My car didn't come with a Homelink mirror (built in garage door opener) so I found a YouTube tutorial online and bought an upgrade OEM mirror for the Telluride on eBay. Was a quick plug n play 10 min install.
PSX_20201005_182506 by Ed Kwon, on Flickr
PSX_20201005_182536 by Ed Kwon, on Flickr
PSX_20201005_182610 by Ed Kwon, on Flickr
PSX_20201005_182640 by Ed Kwon, on Flickr