* Under the hood: This box contains the high-current fuses and relays for major components. It's usually located near the battery.
* Inside the vehicle: This box, often called the passenger compartment fuse panel, is typically located on the driver's side, usually under the dashboard near the steering column. It houses fuses for interior lights, power windows, etc.
To be certain of the exact location within those general areas, you should consult your owner's manual. The diagrams within will show you precisely where each fuse box is and what each fuse controls.