I wonder if like the RNS when you unlock the door using the fob the system starts to boot up.
So if you unlock it remotely, then it takes you a good few seconds to walk to the car, open the door, throw your play piece in the back, put your seat belt on and then start the car, the system has internally booted up so the flash screen doesn't display.
Your time to actually get in and start the car Craig might be less due to the keyless entry as you are already at the car so giving it less time to boot up?
Just a thought.