I found that the sticker was off, but there was a plywood backer (I think 3/4") close to the sticker. I also found one stud, so used screws in that and good sized toggle bolts through the backer.
Rob & Kelly, Bella & Brady (Miniature Schnauzers)
2016 Eagle 323LKTS
2016 Ram 2500 6.7L CTD
2015 White Hawk 29REKS Summit Edition (Traded)