The bevel box noise is a screaming in a particular road speed band typically around 50-70 mph.
A rattle may well be the fuel vapour canister mounted on the rear bulkhead near to the seatbet top mounts.
I thought the clicking sound was the tiny roll over valve. If so it's easily accessible mounted high up above the left hand fuel tank (part 6 below), and not behind any panel - on my 2016 car at least.
Had it make a slight rattle once or twice but not bad enough to justify any correction.
