It's a small cube button on the side of the trash bin in the park. Either inside of it or on the side.
Afterwards an easter egg buried in the ground by the sewer entrace in the corner where the fence it.
Then the carton next to the drug dealer in that alleyway.
From there the button on the lamp post that has a light coming from it by the 5 mil mansions.
Then another button on the bottom of the rabbit mask case in the bank safe.
Finally a tiny button on the bottom of the bridge in the park.
Afterwards yiu will be teleported to the troll room where you're stuck.
My order that I stated could be wrong. It's all from memory.