A good Bluetooth car kit is a great way to continue using your phone while you're in your car. These kits are really convenient and easy to install. The best Bluetooth car kits will allow you to give your phone voice commands. That way, you can make a call without taking your hands off the steering wheel. Not all cities allow the use of cell phones, even if you do have a Bluetooth car kit. Make sure you're not breaking any laws by using your phone in your car. Think about installing one, and consider how much more convenient your car trips can be.