I've not found one, despite extensive searching (and shouting!!) one has to select cancel from the nav menu.
Unlike the Merc where one simply says "Cancel navigation"
How does one know it pre-existed the service? It's very common for cars to be inspected before a warranty is granted. The inspection is then assumed to have been thorough and complete. Gotta draw the line somewhere!
Presumably the warranty will not cover pre-existing faults, or will not come into force until all faults discovered at the first service, are corrected?
I'm somewhat staggered you couldn't find a suitable left-hand drive car from Europe rather than all the way from America. Must be costing as much to ship it over as to buy in the first place. From the photos it looks like it's been parked in the desert somewhere!