look in the manual. There is a nice step by step instruction in there with pictures. It will be under Air conditioning filter. The glove box gets emptied, remove one philips screw on the right side, unhook the black piston, remove a large black plastic knob on each side of the glove box, then let the glove box flop wide open. You will see the slide in filter holder. It is a yellowish plastic about the size of a VHS tape.
Pull it out, through out old filter, pop in new one (match the arrow directions on the filter and the holder) slide it back in and reattach the knobs and piston.
You're done.
steviej