Even though a lot of accidents have been blamed for causing a variety of car accidents and laws have been passed in a lot of states where you can't use one while driving, there still can be credited for saving lives and even helping a lot of lost motorists find their way around places they are not familiar with. They also can save a driver a lot of money by replacing pricey navigation systems, radios and MP3 players in the car.
If you are stuck on the side of the road due to a flat tire or the car isn't running it's great to be able to have a phone to call for some roadside assistance. Your cell phone is also of course great for any and all major emergencies like a medical problem with the driver or passenger or for a car accident or even to call in a crime you may have witnessed. Even when your phone may not have any minutes on it you still are able to make a 911 call for assistance.
They are great to have with you if you need to find a phone number through the 411 directory assistance and you can use the toll free numbers that include 1-800-FREE-411 and 1-800-GOOG-411. These can be used to find business, residential as well as government phone number while you are on the go. These numbers can be accessed with your basic cell phone and smartphones.
You don't need to have one of those expensive GPS systems in your car if your cell phone has GPS. Just take your phone with you and it can help you find your way around just about anywhere you are all over the United States. Those who have cell phones will be able to reduce your need for just another electronic device that with a service that you have to pay for. Along with giving you directions you can use the GPS to find people in case there's an emergency. Since 9/11 all cell providers are required by law to provide emergency responders and all government agencies with the location of the call if it's within 100 meters or less.
Smartphones are great to have in your car because there are a variety of different apps that can be downloaded to your phone that can help you in a variety of ways. There are apps that will find the cheapest gas in town, places to eat near your location, get local reviews of hotels and restaurants, find public bathrooms, golf courses, convention centers, you name it there is an app that will probably find it for you.