Depending on the year of release of attachment is different.
Front bumper
-open the hood.
-Unscrew three screws on each side and remove the headlights.
-Unscrew the six screws that secure the top.
-on the perimeter in the bottom part Unscrew nine screws.
-(if any) in the wheel arches Unscrew one screw on each side (spun upwards) holding the corners of the bumper to the wings.
-assistant free the bumper from the clips in the wings and pulls gently on yourself.
-remove connectors from electrical equipment.
Rear bumper
How to remove front and rear bumper Hyundai Santa Fe 2 (2006-2012)
How to remove front and rear bumper Hyundai Santa Fe 3 (2012-2018)
How to remove front and rear bumper Hyundai Santa Fe (2018+)