Interior Fuse Box Location: 2011-2016 Scion tC - 2012 Click to view0:14The video above shows how to replace blown fuses in the interior fuse box of your 2012 Scion tC in addition to the fuse panel diagram location. Electrical components such as your map light, radio, heated seats, high beams, power windows all have fuses and if they suddenly stop working, chances are you have a fuse Author: Intl. Autos Toyota Scion tC - 2012 Fuse Box Diagram Scion tC - 2012 Fuse Box; 259. 3-5. Other interior features. 3. Interior features. Have the cause of electrical overload determined and repaired by your Scion. dealer, as soon as possible. 5. When trouble arises. 395. 5-2. Steps to take in an emergency. If the engine will not start.