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Nav DVD Version Question

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by bluecar, Oct 18, 2009.

  1. bluecar

    bluecar Junior Member

    Joined:
    Mar 16, 2008
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    Location:
    Cary, NC
    Vehicle:
    2006 Prius
    I found a Nav DVD version 9.1 for sale, but I'm concerned about getting it. The price is ok (around $200), but the DVD says U24 on it. The ver 5.1 in my car (06) says U40. I had a problem with a previous DVD purchase not working in the Prius and had to give it to my wife, who drives a Sienna. (It worked in the Sienna)
    What does the U number actually mean? Is a 9.1 U24 compatible?
    Thanks!