Adding a subwoofer

[Rapture]

Great instructions from Crestima and others!

I’m just struggling with one thing -
Wanted to use the method running the power to that spare bolt under the Rear Left fuse box rather than drill into the rear hatch to the battery as it seems less messy.

But I cannot remove the fuse box panel!
Tried for ages and it just won’t budge, worried I’ll snap it.
There’s a catch on the left and on the right and I think I can feel one underneath but no matter how much I wiggle it, it won’t come free.
Can anyone help?
I’m trying to remove it with only the rear quarter panel off, does it only come off with the whole rear panel removed also?

The lower triangular piece needs to be removed first. There is a tab on that piece that needs to be pressed to remove it.