Cadillac 2012 CTS - Manuel (Page 337)

Black plate (17,1) Cadillac CTS/CTS-V Owner Manual (Include Mex) - 2012
Vehicle Care 10-17
6. Remove the three air cleaner
housing cover screws.
7. Move the air cleaner housing
cover and remove the cover
from the air cleaner housing.
8. Remove the air cleaner filter
from the air cleaner housing.