[kathyricks]

The heat and blazing sun is going to dry and fade the interior, the rubber window seals, etc..so there really is no substitute for a garage or car cover. A Tyvek car cover is amazingly effective at keeping the sheet metal of the truck and interior cool on a hot day. Walmart sells them for $40, but not in the maximum size that would be needed to fit over a Tundra. So you might Google "Tyvek car cover" to see what you can come up with. Dupont Tyvek is the same "home wrap" insulating covering you see being stapled to walls of new homes.