It can play via CD-R Toffee Jay.
I know how you feel right now - the waiting game is a killer!
Might be worth asking them which version of the DVD satnav disk the vehicle is carrying, if its the original one, now might be the time to ask for a deal on a replacement disk if you would end up doing that. If they cannot offer a sensible discount, I'm sure the guys here will know where to source such a discount.
Thanks pal appreciate the response! Feel like a kid on Christmas eve! I get the car delivered to my local lexus dealership on Friday!! Friday cannot come soon enough!