The lady of the manor is out for a drive...
...and, in defiance of all probability and the manufacturer's promise, the Rolls-Royce grinds to a halt in the middle of nowhere.
So the chauffeur gets out and, finding himself unable to call the RAC due to poor reception, decided he'd better see what he can do for himself.
After a while, milady gets out of the car and is standing around fretfully, wondering what she can do to help.
So she goes over to the toolbox and calls out "I say! Do you need a screwdriver?"
And from underneath the car, the chauffeur answers, "Not now milady, I'm trying to fix the Rolls."