* Snow tires are necessary if you live in an area that gets significant snowfall.
** Four wheel drive is useful in bad weather, but it doesn't do you any good if the tires do not provide sufficient traction.
** Snow tires will, within, reason increase your vehicle's ability to handle ice and snow.
* It is important to remember that snow tires will affect vehicle handling in all non-snow situations.
** Snow tires are stiffer and heavier and will noticeably change the turning and braking characteristics of your car.
** Once the snow tires are installed, you must adapt your driving to the new wheels.