Chevrolet Silverado 1500 - 2015 Fuse Box Diagram diagramfusebox›ChevroletSilverado 1500 - 2015 Fuse Box; Keys, Doors, and Windows. 2-13. Immobilizer Operation. This vehicle has a passive. theft-deterrent system. The system does not have to be. manually armed or disarmed. The vehicle is automatically. immobilized when the vehicle is. turned off. The system is automatically. Interior Fuse Box Location: 2015-2018 Chevrolet Silverado Click to view0:17Some Chevrolets have multiple interior fuse boxes including in the trunk - the video above will show you where the interior fuse box of your 2015 Silverado 2500 HD is located. If your Silverado 2500 HD has many options like a sunroof, navigation, heated seats, etc, the more fuses it has.