Garmin GPS Nuvi Series

Generally great product with a few small issues, December 1, 2006

I recently purchased the nuvi 660 for a road trip from the Midwest to New England. I am now using in my daily commute. The product has performed great overall. Most of the features worked well, and the advertised capabilites are fairly represented. I strongly recommend the product, subject to the caveats below.

I also considered purchasing the nuvi 360, but ultimately decided on the 660 because it has the traffic data receiver and the ability to put the audio through the car stero using an FM transmitter.

Now for the issues I have encountered:

1- The FM transmitter works well in rural areas and small urban areas, but not so well in major metro areas such as Chicago or New York. There are simply too many radio stations in major metros for the nuvi to be able to find a space on the radio dial that is quiet enough to not have interference.

2- The auto-tune feature for the FM transmitter is essentially useless. This feature is supposed to find a place on the radio dial that is quiet enough for the nuvi to use. However, I found that it did a very poor job of this. I almost always had to manually tune the nuvi to a blank area on the radio dial. This is not hard, but a bit of an annoyance.

3- The nuvi will lock up if the FM transmitter is on and you go through some electronic toll collection gates. I only ran into this issue in Pittsburgh. I-Pass/EZ-Pass don’t have this effect. The manual does mention that this can happen.

Note - if you have a line in jack on your car stero, you won’t have to deal with the above problems as the nuvi has a line out jack.

4- Navigation instructions in areas with multiple merging roads are often spoken late, and sometimes are inaccacurate. I have run into this problem in 4 different areas so far. Each location had several interstate highways with various merges and exits, and the nuvi was hard pressed to keep up.

5- Routing around traffic is not very good. The traffic data is clear and accurate, but the features that finds routes around the traffic mostly suggests routes that are not going to save time. I find it more useful to use the traffic map display and find my own way around the traffic (of course, you have to know the area to be able to do this).

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