The two tools to remove the clock fascia should be in the spine of the toolkit in the boot, someone may have pressed ‘Eject’ on the sat nav screen settings Before removing the clock fascia and the disc is not in the reader.
Do you have the Navigation Instruction Manual? It’s thicker than the cars instruction manual😳
this eBay item no 165154128384 ( not sold by me👍)
is Western Europe , not sure exactly where you intend going!
there is a Northern Europe as well and it’s not much of a phaff to change disc’s once you know how.