I was able to find an aftermarket filter here lately. Changing it out is not as easy as they make it out to be in the manual. Yes, you do have to pull it half way down. That is a general description. There is a point where the joint opens and you will have to open it at about the halfway point a few times till you find it. Then it will come free. The cover to the filter is very delicate. I broke mine trying to replace it. Watch how it comes off carefully and replace it gently. In fact do all of that gently. My big disappointment is that the filter will not come out straight. It is too tall for the opening of the glove compartment. I ended up cutting the bottom plastic section of the glove box on the left side BETWEEN the mounting bolts. That gives at least one bolt to hold it in place as it is more appearance than function anyway.