Yes it is far fetched.
Dude didn't grow up with his parents driving him around or joyriding with his older freinds.
He was confined damn near his whole life.
Him just hopping in a car and driving around smoothly stalking people is huge plot hole.
They answered this Plot-hole in the 1978 original.
One of the nurses or staff workers showed him how to drive as a child.
Well there you go