Is there a fuse box diagram for a 2018 Toyota Highlander?

There is a fuse diagram location on the 2018 Toyota Highlander is on the underside of the fuse box cover and also another one in the owner's manual. Fuse boxes are made to protect electrical circuits in the car from exposure to the elements preventing damage and short circuits. Fuses are made to control and safeguard electrical currents that flow through wires to electrical components. A large current to any electrical mechanism will cause instant failure.Look at the fuse wire. If there is a visible gap in the wire or a dark or metallic smear inside the glass then the fuse is blown and needs to be replaced. Many local parts stores such as Advance Auto Parts and Auto Zone carry a wide variety of fuses. Just make sure to match the correct amp and size fuse that You are replacing.