Someone was nice enough to point me to mygmlink.com and I though it would be nice to post the link directly to the 2007 Yukon manual.
https://www.mygmlink.com/pdf/go2content/manual/US/en/gmc/2007yukon.pdf
https://www.mygmlink.com/pdf/go2content/manual/US/en/gmc/2007yukon.pdf