It seems as through all new car models in the past four years have a GPS installed by default. I understand the need to have one for travel to unknown areas that you live in. Just buying a portable one would be more cost effective. People have advised never to have a GPS installed because of car theft. I decided not to have one added to my Kia Sorento 2010. Even through I get lost while driving, wouldn't use one if I had it. Do you use a GPS? Or had one added to your vehicle?