he wants to get himself a large box
And an even larger box, with jump leads, a battery pack, every value fuse, a multimeter, any other diagnostic equipment you can get hold off, a relay or two....
.....a pair of wellies and a good thick jacket for walking from breakdowns: If it's anything like my last Range Rover.
Patience is another valuable asset, for trying to complain to the manufacturer.
Oh, and a heavy duty towrope for all those idiots who assume that you only cruise around in bad weather for the opportunity to yank them out of ditches when they've misjudged conditions in the Bavarian sex machine.
A Citroen 2CV is very handy for those days that it doesn't want to co-operate and you're in a hurry. It also copes just as well in snow.
And lastly, if it's like the UK, a non dealership repairer: That way you get things sorted instead of having them returned washed and valeted, but not repaired.
In fairness, the three before, before the last new shape, were great - but I think that Ford still have some work to do.