Wahoo Kickr PCB replacement help

I have an out of warranty faulty Kickr, Wahoo have sent me a replacement PCB board to fit with some instructions. But I can’t seem to get the plastic cap out. Its the cap in the centre just where it says “crank it up”. Any ideas?

https://cdn.shopify.com/s/files/1/1018/4107/products/kickr-core-smart-trainer-2.jpg?v=1615354380