Jak II: Renegade Questions

I have to get the seal piace at dig but I can't find how to get the last button so tell me where are the buttons are.

Date of Question: Jan 11th 2007 | Question ID: 75498

Use the elevator to get down. Kill off Metal-heads and into the
First area. Clear an enemies here. Grind down the pipe to continue forward. Kill the
Metal-heads down below for more crystals, then continue
Northward. Continue
Forward to the southwestern dot. Press the switch with a "ground
Pound" and
Climb up and continue north. Cross the rotating log. Cross to
The enemy that
Throws purple shots at you. Push to switch that you find. Below
The logs is
The third switch. Follow the passage south and around to switch
#4. Return
To the rotating logs and go east. Kill the enemies. At the
Branch head
North. Climb the platforms and grind down a pipe. Climb the
Platforms and
Jump onto the moving trapeze. Look at a platform below the
Trapeze and get
There. Head west through enemies and hit switch #5. Head to the
Trapeze and
Swing across this time. Get to the log you have been raising and
Climb up to
The ledge. Kill the enemies and cross the lava. Warning: the
Rocks will
Sink. Climb up and use another trapeze. Turn right and use a
Second trapeze. Follow the passage to a new area. Climb back up and cross the
Log and
Platforms. Watch out for rolling spiked balls as you climb. Get
The Seal
Piece and return to the City.