2003 Cadillac DeVille Owner's Manual - Page 162

To access the passenger compartment air filter, do the following: 1. Use a tool to gently prythe cover up. (If your vehicle has tabs that allow you unlatch the cover with your to fingers, you will not needtool for this step.) a 2. Then, insert a tool behind the push pin located on the inboard side of the air filter compartment to carefully pry the pin out. 3-37