In these pdf's, read the paragraph after "See your dealer for service or to purchase a relearn tool" sentence. It talks first about the timing of the learning process then proceeds to list what you need to do to relearn the tire positions. It's there... just read a little bit more.
2010 Silverado Owners Manual see pg 6-78, 6-79
2011 Silverado Owners Manual see pg 10-68, 10-69
2012 Silverado Owners Manual see pg 10-67, 10-68
2013 Silverado Owners Manual see pg 10-61, 10-62
2014 Silverado Owners Manual see pg 10-61, 10-62
2015 Silverado Owners Manual see pg 10-67, 10-68
