Depending on the year of release of the attachment can vary.
Front bumper
-open the hood.
-under the hood take out the rivets and remove the plate.
-under the cover we unscrew six screws and pull out two pistons that attach the radiator grill and the top.
-wrenched the wheel to the side.
-in the wheel wells, Unscrew the screws and peel the fender liner (completely remove it and Unscrew all the screws is not necessary).
-move the wing flaps to the side and Unscrew the screw that meter on each side (spun upwards) holding the corners to the wings.
-Unscrew the screws around the perimeter of the bottom (spun up).
-we release the latch in the wings (pull the corners themselves) and under the headlights (pull forward).
-with the assistant pulls the bumper (don't want to break the wires).
-remove the connectors from the fog lights.
Rear bumper
-take out the caps on the perimeter of the bottom.
-in the wheel wells, Unscrew the screws and take out the caps that secures the wheel arches and corners of the bumper.
-we release the latch in the wings (pull the corners themselves).
-release the clips under the rear lights.
-we release the latch in the opening of the trunk.
-with the assistant pulls the bumper back.
-(if you have one) remove the connectors of electrical equipment.
How to remove front and rear bumper Cadillac SRX (2004-2010)