Let me show you how I was able to remove the grille inserts on my 2020 Jeep Grand Cherokee Altitude to the all black inserts without removing the bumper and just using common tools. Keep in mind, I do have a thin wrist.

Black Grille Inserts for Jeep Grand Cherokee:
https://ebay.us/M8V0UH

Perfect Gift for any DIY'ers for under $15:
https://ebay.us/oa8FOU

Check out the store:
https://www.ebay.com/str/numbernyc

Check me out backstage:
  / numbernyc