Dutch convection oven

[Monty]

To do this you must be the driver, and have power windows and window locks. [Roll up] all of the windows and lock them. Fart as much as you possibly can then turn the heat on and put it on recircle [not fresh]. [You now] have a dutch convection oven.

[Renato]

Like [a Dutch Oven], [only you] lift the blankets sightly under their chin while raising then lowering your legs. The fart rushes out - directly into the face of the [joyous] receipient.