yea you can either cut the old ones out of the mounting holes or pull them out with a pair of needle-nose. if you look at the new clips you'll see a notch in the back. you're supposed to use that to push and twist the new ones in. its pretty easy once you do the first one.
dab of oppo anyone?
Replace coolant temp sensor
Brake and Power Steering Fluid Flush
Front Control Arms, Bushings, and Tie Rods
Replace Passenger Lock Actuator
Reglue Peeling Hedliner