Open the rear hatch, then remove the 4 screws holding the lens assembly to the vehicle. Remove the lens assembly by twisting it counter clockwise then pulling it out. Remove the bulb sockets by pressing in and turning counter clockwise then pulling it out. Do the reverse to put it back together.
remove the light assy from the car.
remove the side marker light assy Phillips screws, the assy will slide out. you then have access to the three 10mm bolts holding the fog light assy in. remove then and push out the fog light assy. then remove the four Phillips screws from the corners of the fog light to separate the assy. then change the bulb and put back together
Assy is short for assembly.
The bulbs unscrew counterclockwise from the back of the light assy. Sometimes you ave to remove the light to get to it.
The light assy has to come off and there a couple of screws you get to from inside to remove the light.
Remove the light assy then turn the bulbs countereclockwise to remove the bulbs.
Some bulbs can be changed by accessing them through the runk but I think your have got to remove the light assy and then remove the bulb.
They unscrew from the back of the light assy. You may have to remove the light to get ot it.
I have a 92 PA. I had to remove the head light assy which gave access to that bulb. There are two thumb like screws to remove that assy. Hope yours are the same as mine.
It has to be removed at the back of the assy. If you can't get to it through the trunk, you need to remove the light.
Remove the ligth assy and unscrew it from the rear.
Remove the light assy and turn the bulbs counterclockwise.