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drbarry

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Everything posted by drbarry

  1. I'm having the exact same problem. About three weeks ago I had an AVIC-Z150BH unit professionally installed in my Porsche Cayman. I am very disappointed with the performance of the GPS unit which: (1) regularly takes improper routes that include local roads instead of highways: (2) goes longer distances to reach my destination, often requiring me to make "U" turns; and, (3) insists on returning to an improper route instead of performing a recalculation, despite the fact that I've ignored its guidance and continued on the correct route. I've verified that the unit has its preference on"faster"
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