When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I know I wouldn't be able to fit one of my tires in the well lol. Not sure. It doesn't look that deep to fit a 16". If you can, then putting that foam cover back on won't be flat.
Check page 215 of your owners manual it shows you how to pass the strap through the flat tire.
And as for the strap it was in that compartment in front of the spare tire next to the tire iron