The Interior Fuse/ Relay Panel is located under the Right side of the Dash, below the Glove box (remove lower sound panel to access). on some Models, this Fuse/ Relay Panel is located in the Right side of the Console.
There is no access panel. You basically stand on your head, and look straight up past the park brake pedal to see the inside fuse panel. The under hood fuse panel is on the left fender skirt, under the hood, beside the brake master cylinder.
On most vehicles, there will be nuts or bolts inside the door the mirror is located on, but under the door panel. If there is a triangular panel separate from the door panel, they may be under this. Otherwise, you will have to remove the door panel to access them.