In order to hit subsequent spots, the stylet retracts back into the cannula, which adjusts its up and down position, extending once again to reach the area.
However, in a high-tech nod to the realities of modern motoring, it automatically retracts into the vehicle when the Ghost is parked for the sake of security.
An integrated rear spoiler automatically extends at 80 mph and retracts once the car gets back to 50 mph or less (it can also be deployed and retracted manually at the push of a button).