I read that I may need to retract the rear parking brakes in order to remove the rear rotors it looks like that is what is holding it - I can see the parking brake pad from under/behind the car -

I am having trouble getting the parking brake shoes to back off (I am trying to remove the rotor) - I turned the star adjuster at least 4 detents and felt no difference.

To clarify, the right side of the car is the passenger side? So that adjuster is rotated by spinning the adjuster clockwise (or toward the front of the car when looking at it from behind the wheel while under the car)? (the other wheel is the opposite) ??

Also, when trying to spin the wheel it seems very difficult to turn - I was able to get it to turn 4 detents, but that was a challenge.