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    NVD -W902 Map update for IVA-NAV-10

    Check the web page: Alpine Electronics of America, Inc. Map update for INA-NAV-10 is finally available. Two and a half years to acquire, two minutes to install :-)
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    IVA-NAV-10 Map/firmware update

    Last summer when my Alpine unit said it was time to upgrade I asked the folks at Tesla about it and they pointed me to this web page: Alpine Electronics of America, Inc. I couldn't find anything about my unit (IVA-NAV-10) so I called Alpine's tech support number. The fellow I talked...
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    Battery discharge while driving non-linear?

    Since I got my roadster (#1325) two years ago I have been playing a mind game while driving in an effort to get a picture of the battery discharge rate. Nominally I start off with ~180 miles estimated. I then add the miles driven and estimated range numbers to come up with a guestimate for...