The Duke of Cambridge said he is "just doing it the way I know" rather than trying to be a symbol of a modern monarchy.
Asked whether the moment he and his wife showed their newborn son the world was an example of the monarchy's modernisation, he told CNN, "I’m reasonably headstrong about what I believe in, and what I go for, and I’ve got fantastic people around me who give me great support and advice."
William said he, his wife and Prince Harry have grown up "differently to other generations".
"I very much feel if I can do it myself I want to do it myself," he continued. "There are times where you can’t do it yourself and the system takes over or it’s appropriate to do things differently, but I think driving your son and your wife away from hospital was really important to me."
More top news
A medical examiner concluded that an accidental overdose had caused Tom Petty to suffer a fatal heart attack at his Malibu home in October.
One year on from his inauguration, Donald Trump's supporters are even more passionate about him and his cause than before he entered office.
Support for new parents has faced deep cuts in recent years - and some social workers warn it could lead to a rise in forced adoption.