I have the square hole, I have the tools. No idea why the owners manual for my car doesn’t tell the owner what the tools are for, let alone how to use them, but I will carry them with me from now on.
Thanks John,
P.S. I wonder what BMW owners do?
It's not a Morgan, so they don't break down

Perhaps BMW drop the 'box disengage tools under the boot tray with the jack etc but nobody looks