Racingjunk Forums - Air filter Problem..

Our Acura CL(3.2 Type S) have some problem. I tried answering back to some people who gave advise but my responses are not going through. We have about 14k miles on the car and the "Maintenance" light is on but everything is running fine. My husband thinks it might be the air filter and so he buy a new Acura air filter also he is trying to change out. The manual does not say how and he does not know how to un-install the old filter or even where it is. We are new to this problem thats why I try searching via online because maybe we could find the answer. Any help will much appreciated...