In today's sue happy world I guess they have to cover their a$$ on everything.Tim said:From the owner's manual - "Notice: Storing the full-size flat tire in the underbody hoist system can expose it to heat from the exhaust system. This can damage the tire and underbody hoist system. Do not store the full-size flat tire in the underbody hoist system. "
So, the cables allow you to secure the tire standing up the rear storage area behind the third row seats.
See the section titled "Storing the Flat Tire" on page 5-97 of the 2008 pdf file.
It doesn't say anything about the tarp, maybe that is to put over the tire to protect the interior.