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  #13  
Old 03-11-2013, 06:32 AM
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Re: Navigation Performance

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Originally Posted by bill_de View Post
Thanks Tom,

I'm not sure what brand nav my MDX has, but it work pretty much like you describe the Garmin ... including bread crumbs,
Another feature I tried yesterday is Speed Warning. You set the MPH over the speed limit that you want the warning and you get an audible warning noting the speed limit. You do not have to be navigating a route to get the warning.

Tom
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  #14  
Old 03-12-2013, 05:31 AM
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Re: Navigation Performance

The maps supplied for the Grand Cherokee, at least for Australia, are from Navteq. They simply supply the raw data maps, and have nothing to do with how those maps are used in the Jeep systems. I suspect that is configured by Harmon. It is a mysterious world, and Jeep seem to hide it from customers. We find a $100 after market GPS performs rings around the Jeep system. Maybe the MY14 is better?
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  #15  
Old 03-12-2013, 07:45 AM
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Re: Navigation Performance

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Originally Posted by allypally View Post
The maps supplied for the Grand Cherokee, at least for Australia, are from Navteq. They simply supply the raw data maps, and have nothing to do with how those maps are used in the Jeep systems. I suspect that is configured by Harmon. It is a mysterious world, and Jeep seem to hide it from customers. We find a $100 after market GPS performs rings around the Jeep system. Maybe the MY14 is better?
Somebody posted not too long ago that they contacted Navteq. Navteq said that they only distribute the maps supplied to them by the manufacturer. The entire GPS world is a mystery.
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  #16  
Old 03-12-2013, 08:06 AM
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Re: Navigation Performance

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Originally Posted by bill_de View Post
Somebody posted not too long ago that they contacted Navteq. Navteq said that they only distribute the maps supplied to them by the manufacturer. The entire GPS world is a mystery.
Jeep told me that the maps are Navteq. Navteq has the base maps and their attributes (paved, unpaved, dead-end, one-way, and speed limit). They have a website where you can report map errors and it works very well. You highlight a section of road on a Navteq map and then tell them what's wrong or add a road. It takes months for Navteq to review each report and address it but then the map will be more accurate for years. When you submit a report, they tell you that they prioritize each request and address the most important ones first - which makes sense. I would rather have all Interstate and main state roads improved before a small street.

They also have some POI's but I don't know if they provide the whole POI database.

Tom
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  #17  
Old 03-12-2013, 08:14 AM
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Re: Navigation Performance

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Originally Posted by tllapointe View Post
Jeep told me that the maps are Navteq. Navteq has the base maps and their attributes (paved, unpaved, dead-end, one-way, and speed limit). They have a website where you can report map errors and it works very well. You highlight a section of road on a Navteq map and then tell them what's wrong or add a road. It takes months for Navteq to review each report and address it but then the map will be more accurate for years. When you submit a report, the tell you that they prioritize each request and address the most important ones first - which makes sense. I would rather have all Interstate and main state roads improved before a small street.

They also have some POI's but I don't know if they provide the whole POI database.

Tom
With the systems we have in the Jeep, would we even see these improvements without buying the next cd for $149? I'm just wondering if they download mini updates between the CDs.
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  #18  
Old 03-12-2013, 08:35 AM
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Re: Navigation Performance

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Originally Posted by bill_de View Post
With the systems we have in the Jeep, would we even see these improvements without buying the next cd for $149? I'm just wondering if they download mini updates between the CDs.
I would expect to pay for map updates. I would hope that GPS software updates from Jeep are free but they may wrap them into a map update.

I update my Garmin 3-4 times per year, but at $149 per Jeep map update, I will wait until I have a long trip scheduled - maybe once per year.

Tom
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  #19  
Old 03-12-2013, 08:44 AM
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Re: Navigation Performance

My MDX was 2 years old before I checked about buying a CD. It said that what I had was still the latest. They don't even update every 12 months. They also use Navteq.
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  #20  
Old 03-12-2013, 11:25 AM
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Re: Navigation Performance

This has always been a drawback of factory nav systems. They're very convenient to operate, and the dash integration is really nice, but their functionality suffers due to lack of updates. I'm sure they're very suitable for interstate and main road navigation, but once you get into the boonies, things can get sketchy. I'll keep my often updated Garmin in the console for a back-up, it doesn't take up much room, and I have lifetime updates for it.
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  #21  
Old 03-13-2013, 02:14 AM
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Re: Navigation Performance

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Originally Posted by jacko15 View Post
This has always been a drawback of factory nav systems. They're very convenient to operate, and the dash integration is really nice, but their functionality suffers due to lack of updates. I'm sure they're very suitable for interstate and main road navigation, but once you get into the boonies, things can get sketchy. I'll keep my often updated Garmin in the console for a back-up, it doesn't take up much room, and I have lifetime updates for it.
Based upon what some folks from Australia uncovered and what I think I have verified by my brief experience, the Jeep Nav system has a unique problem. Apparently, the Navteq roads are designated "VERIFIED" where someone has driven on the road and certified the location and features and "UNVERIEFIED" where their representative has not driven the road. It seems as though the Jeep system tries to use VERIFIED roads if it can. Thus, rather than take a simple left, it loops you through a neighborhood to get to a point that you can see on your left. Hopefully, if this is a problem with their units, then it might be a relatively simple fix.

Let's hope, Tom
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Old 03-13-2013, 04:49 AM
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Re: Navigation Performance

It should be a very simple fix. BUT... Jeep have been stalling this issue for over a year, and do not seem willing to address the matter. Very dissapointing to say the least.
All they need do is place a checkbox for you to say use unverified roads.
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  #23  
Old 03-13-2013, 06:32 AM
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Re: Navigation Performance

Quote:
Originally Posted by allypally View Post
It should be a very simple fix. BUT... Jeep have been stalling this issue for over a year, and do not seem willing to address the matter. Very dissapointing to say the least.
All they need do is place a checkbox for you to say use unverified roads.
I agree. You know the software is already checking it.

Tom
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  #24  
Old 03-13-2013, 06:50 AM
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Re: Navigation Performance

Quote:
Originally Posted by allypally View Post
It should be a very simple fix. BUT... Jeep have been stalling this issue for over a year, and do not seem willing to address the matter. Very dissapointing to say the least.
All they need do is place a checkbox for you to say use unverified roads.
Greetings,

I agree with you as well.

In this day and age, their is no reason that the software should be conservative in the route selection. Also, they do not allow feature updates to the software. Whereas, the smartphone and tablet navi apps allow for this.

Is Chrysler so afaird that they might be sued for wrong directions or they do not want the same publicity that happened to Apple Maps?

When I perform my upgrade to the Alpine system and headunit, I now gearing to hookup a tablet for my music and navigation. The navi apps makes work with client base not against them. At this point I am testing IGO Primo, which all Alpine and other units use and Sygic.

Best for now.
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