Just imagine a day where your car and your driving skills become like "carrying water to the sea..." Children to be dropped at school, parents to be taken for a family function, you have a delegate meeting at office while your presentation isn;t completed. To add to this, the world-famous traffic jam belts of the city. Not all that, everyone should reach back home.
Now, Imagine having an expert spare driver for your car on that day! yes, it makes a difference.