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115 Posts
Used the turn by turn navigation this weekend for a trip from central NJ to the Pocono Mountains in Pennsylvania. I know the route well, but I decided to try it out. It works very nicely. I have the DVD/CD Radio with no Nav screen. Turn by Turn plays back through that Radio and displays directional information on the LED screen. While listening to the radio if a route change is coming up, it alerts you with a tone (sounds like the captain on an airplane when a message is about to come), put the radio in the background, speaks information to you, and displays direction signals and measurements on the radio.
Nice Feature: If you go of course or you decide to take your own route, the system will automatically ask if you want to re-route. If you answer yes, it will automatically re-route you from your present location.
Some caveats:. While in the Poconos I wanted to use it to go between two areas. The area I was starting from must have been an analog-only cell area as Onstar was not able to download directions to me. Of course, they are nice enough to give you spoken directions when this happens. They also remember what destination you last asked for so you can call back when you are in a better area and then they can download. As more areas put in Digital for the FCC 2008 mandate this problem will probably go away.
Overall I am very happy with it. For the extra $2000 GM wants for the NAV, I'm glad I passed on it as this suits me fine.
Nice Feature: If you go of course or you decide to take your own route, the system will automatically ask if you want to re-route. If you answer yes, it will automatically re-route you from your present location.
Some caveats:. While in the Poconos I wanted to use it to go between two areas. The area I was starting from must have been an analog-only cell area as Onstar was not able to download directions to me. Of course, they are nice enough to give you spoken directions when this happens. They also remember what destination you last asked for so you can call back when you are in a better area and then they can download. As more areas put in Digital for the FCC 2008 mandate this problem will probably go away.
Overall I am very happy with it. For the extra $2000 GM wants for the NAV, I'm glad I passed on it as this suits me fine.