Clarion GPS refers to a range of navigation products from Clarion. These devices are mostly hand held instruments, giving location and direction information to different types of clients as per their specific needs. These instruments are generally used in automobiles. It is possible to indicate points of interest, and get verbal reminders through these instruments. Both 2 dimensional and 3 dimensional maps can be generated by these global positioning systems. Even information on traffic is generated by these GPS systems so that the person who is driving can select the ideal route. As of now, these GPS instruments are only useful within Canada and the United States. Some of the latest models allow people to call others without using hands. This feature is very useful in automobiles.