To change the inner tube or tire, you will need to remove both pedals

Use a 4mm Allen/Hex wrench to loosen the screw in the pedal hanger pillar. You will need to remove it to apply Loctite prior to reassembly. Turn counterclockwise to loosen.

Use a 5mm Allen/Hex wrench to remove the two screws that capture the hinge pin. Turn counterclockwise to loosen.

Insert a hex wrench at one end of the pedal to push the hinge pin out far enough that you can pull the pin out by hand.