Inspect the hidden compartment in the pool of the Residence Court at ( -281, -12, 391 ) /waypoint -281, -12, 391. You now have 5 minutes to do the steps below. However, the timer tends to stop after the last switch is activated, leaving what seems to be plenty of time to return to the Censer.
The switches:
Left side of the building by the snakepit ( -533, -18, 456 ) /waypoint -533, -18, 456
Behind the tree ( -381, -10, 487 ) /waypoint -381, -10, 487
3/4 up the oily wall at the end of the ledge on the right side ( -358, 12, 500 ) /waypoint -358, 12, 500 (Make sure you have already completed the quest: A Slippery Situation first by examining the wall)
On the left side of the roof of the building across the street from the oily wall ( -302, 17, 491 ) /waypoint -302, 17, 491
On first climbable wall if you enter from trade court. ( -481, 3, 372 ) /waypoint -481, 3, 372 You may need to jump off the wall and stand on TOP of the switch in order for it to update.
On a pillar at the street right under the fourth switch. ( -308, -10, 493 ) /waypoint -308, -10, 493