The license plate lights are not in a separate fuce by it seft. They are the same as your side marker lights. So, check if your side marker lights are working and if they are them is a bad license plate light bulb.
Check bulbs
Because this bulb is mounted vertically, it can be tricky. The recommended method is to remove the license plate and open the trunk lid.
drivers side
next to the battery box
you can find the horns in the grille.both opposite side of the license plate.
If my memory serves me correctly, it opened -- as a tent -- in 2003.
Discription of fuse box in 2001 Porsche boxter
The fuse for the license plate light on a 2003 Acura RSX is located in the interior fuse box, which is typically found under the dashboard on the driver's side. To access it, remove the cover of the fuse box and look for the specific fuse designated for the license plate lights, usually labeled in the diagram on the cover. If the fuse is blown, it can be replaced with a new one of the same amperage.
break the glass take out the bulb and put the other one in
there should be little screws that you screw out and they pop out and you twist the bulb to remove it
yes, the handle is hidden deirectly above the license plate