2009 Toyota Tundra Owners Manual - Page 302
2009 Toyota Tundra Manual
Page 302 highlights
2 -5 . Driving inform a t ion Dinghy t ow ing Your vehicle is not designed to be dinghy towed (with 4 wheels on the ground) behind a motor home. NOTICE n To avoid serious damage to your vehicle Do not tow your vehicle with four wheels on the ground. 272