Everyone does their best to be careful and remember have their keys with them at all times, but it just happens to everyone that they forget their keys one day and cannot get locked of out their car. When that does happen you can call a tow truck company to send someone out and help you get into your car. Why is that the case? Because tow truck driver have to be able to get into locked cars in order to tow them. They have the tools and experience to get into a locked car without damage to get you inside your car as soon as possible.