Passenger side rear seat belt
 

Hi everyone,
I have a 1997 es300, I am trying to replace the passenger side rear seatbelt. I have the backseat off but I'm having trouble removing the rear panel. I know they have to remove it to change or replace the rear subwoofer, so I was wondering if anyone had any tips on its removal so I can get to the seatbelt bolts. Thanks!