The driver remains one of the most important clubs in the bag. Besides your putter, you probably hit your driver more than any other club in your bag. Unfortunately, your driver requires a slightly different swing than your irons. With the driver, you hit the ball while the clubhead is ascending. You “sweep” the ball off of the tee, while with the irons you hit down on the back of the ball.
Grouchy Golf has Swingvision shots of Ernie Els’ hitting the driver and, for comparison, Tiger Woods hitting an iron. Notice how high on the clubface both shots are struck.