im going to buy an in dash car GPS, but I got no idea how to pick a proper one. Any criteria of choosing a good or decent device?

 

Car GPS navigation units are one of the must-haves of car electronic appliances for most drivers. When you are planning to get a car DVD player GPS tracking system, choose one which has live voice instructions along with visual maps, while you are driving. Voice instructions can be extremely helpful in getting you where you need to go especially when you are driving alone.

 

Go to a local best buy and try out the nav units that they got on display so you can test and buy the one that you are comfortable using.