Where is the cruise control fuse in a 2005 sienna?

In a 2005 Toyota Sienna, the cruise control fuse is located in the fuse box under the dashboard on the driver's side. Specifically, you should check the engine compartment fuse box as well, as it may also house the relevant fuses for the cruise control system. Refer to the owner's manual for the exact fuse number and diagram for your model.