Should I purchase 2011 GPS Nav Disk?
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Cadillac DTS Forum - 2006 through 2012 Discussion, Should I purchase 2011 GPS Nav Disk? in Past Cadillac Vehicle Discussion; Hello, I would really like to get some feedback and intell on the matter of purchasing ($199+s&h,tax) the GM Direct ...
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    diggerdog is offline Cadillac Owners Member
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    Should I purchase 2011 GPS Nav Disk?

    Hello, I would really like to get some feedback and intell on the matter of purchasing ($199+s&h,tax) the GM Direct 2011 Nav disk for my 2006 DTS. I have a Garmin and have been using it however, its seems to make no sense not to use the factory installed GPS system. The question really is, is the $200 well spent on the 2011 Nav disk, installed in a 2006 GPS system? I'm wondering if the dated system is going to work with the newest software? TIA diggerdog

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    Tomko's Avatar
    Tomko is offline Cadillac Owners Fanatic
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    Re: Should I purchase 2011 GPS Nav Disk?

    Simple answer is: Yes.

    If you don't want to spend the $200 then you can buy it off of ebay for less.

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    Mark58 is offline Cadillac Owners Fanatic
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    Re: Should I purchase 2011 GPS Nav Disk?

    Quote Originally Posted by diggerdog View Post
    Hello, I would really like to get some feedback and intell on the matter of purchasing ($199+s&h,tax) the GM Direct 2011 Nav disk for my 2006 DTS. I have a Garmin and have been using it however, its seems to make no sense not to use the factory installed GPS system. The question really is, is the $200 well spent on the 2011 Nav disk, installed in a 2006 GPS system? I'm wondering if the dated system is going to work with the newest software? TIA diggerdog
    I have 2010 and 2011, as far as I am concerned stick with Garmin (I also have one) it's more accurate. My opinion is that Nav system and GM maps are a BIG JOKE.

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    ffrog is offline Cadillac Owners Fanatic
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    Re: Should I purchase 2011 GPS Nav Disk?

    Quote Originally Posted by Mark58 View Post
    I have 2010 and 2011, as far as I am concerned stick with Garmin (I also have one) it's more accurate. My opinion is that Nav system and GM maps are a BIG JOKE.
    I totally agree.

    Although the portable Garmin is a pain due to being portable it has much more features and better maps and is much less expensive.

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    Superjim's Avatar
    Superjim is offline Cadillac Owners Connoisseur
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    Re: Should I purchase 2011 GPS Nav Disk?

    I will be buying the 2011 NAV disk before too long for my 2006.
    I am using the 2008 version now.

    Texas Jim

  7. #6
    tedcmiller is offline Cadillac Owners Connoisseur
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    Re: Should I purchase 2011 GPS Nav Disk?

    I have both Garmin and GM navigation units (several of each). While the Gramin maps, in some cases, are more up-to-date than the GM maps, the GM maps (and units) are not a joke, big or otherwise. The built-in GM units, when compared with the completely portable Garmin units, are essentially theft-proof. Some write-ups, that come with the GPS units, even suggest removing the residue left from suction cups to avoid causing GPS units that might or might not be in the car acting as an incentive for vehicle break-ins.

    I, personally, use the in-car units when in the car and the Garmin units at other times. As one poster indicated, the newer navigation discs will work in older navigation units. As far as accuracy is concerned, I don't believe that one system is any more less accurate than the other. In any case, don't expect the maps in either to show new roads that were opened a short time ago. The maps don't get updated that fast.

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    Mark58 is offline Cadillac Owners Fanatic
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    Re: Should I purchase 2011 GPS Nav Disk?

    Quote Originally Posted by tedcmiller View Post
    I have both Garmin and GM navigation units (several of each). While the Gramin maps, in some cases, are more up-to-date than the GM maps, the GM maps (and units) are not a joke, big or otherwise. The built-in GM units, when compared with the completely portable Garmin units, are essentially theft-proof. Some write-ups, that come with the GPS units, even suggest removing the residue left from suction cups to avoid causing GPS units that might or might not be in the car acting as an incentive for vehicle break-ins.

    I, personally, use the in-car units when in the car and the Garmin units at other times. As one poster indicated, the newer navigation discs will work in older navigation units. As far as accuracy is concerned, I don't believe that one system is any more less accurate than the other. In any case, don't expect the maps in either to show new roads that were opened a short time ago. The maps don't get updated that fast.
    As far as accuracy is concerned,,,,3 miles from me is Walmart on 23 rd st that has been there for about 8 yrs. Yes Garmin knows it's there but my GM Nav thinks I am in the middle of some field. Recently in Buffalo NY in 4 yr subdivision and GM Nav maps don't know it's there. I could use more examples, but I think I made my point.

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    tedcmiller is offline Cadillac Owners Connoisseur
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    Re: Should I purchase 2011 GPS Nav Disk?

    That is not the kind of accuracy to which I was referring. I was referring to the accuracy of your current location. You are referring to the accuracy of the maps. I have found, in some cases, that Garmin maps can be as unreliable as the GM maps. Since they are both derived from Navtec technology, I would expect them to be approximaterly the same for the same year of update. I have never had the kind of problem you are describing with either my Garmin or my GM units.

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    Re: Should I purchase 2011 GPS Nav Disk?

    I have had GM nav units in my cars and trucks for over 5 years...
    I have not had many issues with accuracy at all.
    Sometimes a street address may be off by a couple of houses...
    But... I am "USUALLY" capable of finding 2110 Elm Street if the nav took me to 2114 Elm Street.
    Maybe some people are not...I don't know...

    I drive over 50,000 miles a year...part for work plus Darling Wife and I do a lot of long road trips.
    I will NOT buy another vehicle WITHOUT factory nav.
    It is just too handy a tool NOT to have.

    And I don't care how much better your 20 dollar handheld system is...I really couldn't care less.
    I don't want a piece of stuff like that stuck up on the windshield of my Cadillac.

    Sorry if I offended anyone...but oh well...
    I can have my opinion as well as you can have yours.

    Texas Jim

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    Re: Should I purchase 2011 GPS Nav Disk?

    in general, the factory maps are about a year out of date... maybe a bit more

    the POI (points of interest) on the GM discs have been really updated in the last couple years (so i've heard)
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    We offer all forum members deals on parts and freight - e: parts@rippyautomotive.com ph: 800-RIPPY-22
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    ffrog is offline Cadillac Owners Fanatic
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    Re: Should I purchase 2011 GPS Nav Disk?

    I don’t think it is a question of whether one map is more accurate or not. I have both a GM map and a Garmin map and they are both about the same as far as accuracy is concerned. Each has its quirks.

    The real difference is in the system itself. The GM NAV System is what, somewhere over a thousand or two. The Garmin (mine) was around 150.00 and it is much more sophisticated and feature loaded. For example just to name two features:

    1 – It shows the speed limit for the road that you are on.
    2 – It has an ECON feature that selects the most fuel efficient route.

    I don’t use the ECON feature but it is there.

    Now we all know that Caddy could have incorporated those features if they wanted to.

    Now, that all being said, I as TEXAS JIM has posted, all my future vehicles will have a built in NAV system.

    TEDCMILLER mentioned in one of his posts that the portable is susceptible to theft more so than the built in system. That is very true. In that regards, there was a recent theft of a portable NAV system from the car of a family who went to a little league ball game and the perpetrators pressed the HOME button and went to their house and broke in.

    So, no matter what system you use, set you HOME function to take you near your house; a major intersection, hospital, strip mall, police station, or whatever instead of your actual home.

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    fez111 is offline Cadillac Owners Member
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    Re: Should I purchase 2011 GPS Nav Disk?

    Hi All. I have an 2006 DTS I bought in February this year. I made teh dealer send me a nav disk (2006) since that is usually the first thing to turn up missing by unscrupulous workers. As far the disk is concerned, there are many new roads in Michigan that are not in the database. Of course everything else new since the disk was written is missing.

    As far as the GPS itself is concerned... Well, my aviation Garmin is 10X faster in response time and much more intuitive in its operation. For long trips and highway travel dash unit is works fine. However, when there are multiple turns close together, The Denso waits until I'm past the next turn then tells me to turn, which by then is too late. When it finally realizes I'm off course, it takes a very long time to recalculate the route, and by then you could be another mile away.

    Also, the "PROCEDE TO THE HIGHLIGHTED ROUTE THEN NAVIGATION WILL BEGIN" is an assinine way of doing things. I mean, If I knew how to GET to the main roads why would I even need a GPS?

    OK, I'm done complaining now. I would love a new database, but $200? Really! GM is trying to pay back Obama with databases!!

    Sorry for my ramblings. Guess I just had a bad day. FEZ111

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    Superjim's Avatar
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    Re: Should I purchase 2011 GPS Nav Disk?

    Quote Originally Posted by fez111 View Post
    Hi All. I have an 2006 DTS I bought in February this year. I made teh dealer send me a nav disk (2006) since that is usually the first thing to turn up missing by unscrupulous workers. As far the disk is concerned, there are many new roads in Michigan that are not in the database. Of course everything else new since the disk was written is missing.

    As far as the GPS itself is concerned... Well, my aviation Garmin is 10X faster in response time and much more intuitive in its operation. For long trips and highway travel dash unit is works fine. However, when there are multiple turns close together, The Denso waits until I'm past the next turn then tells me to turn, which by then is too late. When it finally realizes I'm off course, it takes a very long time to recalculate the route, and by then you could be another mile away.

    Also, the "PROCEDE TO THE HIGHLIGHTED ROUTE THEN NAVIGATION WILL BEGIN" is an assinine way of doing things. I mean, If I knew how to GET to the main roads why would I even need a GPS?

    OK, I'm done complaining now. I would love a new database, but $200? Really! GM is trying to pay back Obama with databases!!

    Sorry for my ramblings. Guess I just had a bad day. FEZ111
    You can get a new disk a lot cheaper on ebay.
    When you install the new disk...it will tell you to wait a few minutes while it updates the NAV system.
    It will work faster after that.
    And you will have a digital clock in the screen.

    Texas Jim

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    tedcmiller is offline Cadillac Owners Connoisseur
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    Re: Should I purchase 2011 GPS Nav Disk?

    Regarding the "accuracy" of maps as far as what they show or don't show, I can say from personal experience that the maps on Garmin units might be as out of date or even more out of date than the GM maps. One poster suggested that the maps on any unit might be "about a year out of date... maybe a little more." A Garmin unit I owned did not show the street on which a friend lived even though he had been there for five years since the date on my Garmin maps.

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    ffrog is offline Cadillac Owners Fanatic
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    Re: Should I purchase 2011 GPS Nav Disk?

    Quote Originally Posted by tedcmiller View Post
    Regarding the "accuracy" of maps as far as what they show or don't show, I can say from personal experience that the maps on Garmin units might be as out of date or even more out of date than the GM maps. One poster suggested that the maps on any unit might be "about a year out of date... maybe a little more." A Garmin unit I owned did not show the street on which a friend lived even though he had been there for five years since the date on my Garmin maps.
    You can get a Garmin lifetime map update package for less than $100. Their maps are updated quarterly.

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