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grscott

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  • Location
    Austin, Texas
  • Gender
    Male
  • Drives
    2014 Silverado Ext Cab, 4 X 4 Z71

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  1. Actually, good GPS systems like Garmin, and other itinerary planners such as MapQuest and Google Maps, incorporate into their data bases projected speeds based on speed limits, types of road, and even traffic (if one pays for that sort of real time option). A good Garmin can be had for under $150, likely with free lifetime updates. Including navigation in your MyLink Audio with 8-inch Touch Screen system (for a 2014) increased the price of the MyLink system by $750 (sticker). As to the projected arrival time getting closer to the actual arrival time as you near your destination, of course it does. The system continually updates. As I get to within 10 miles or so of my destination, even my puny brain can provide a fairly accurate updated ETA. An ETA isn't really important until one has some significant distance to travel, and Chevrolet really dropped the ball on what it is giving its customers (for roughly $1000 if you include an update) with this little gem. How does one explain the ability of Garmin, MapQuest and Google Maps to all have a pretty consistent (and fairly accurate) ETA at the start while the MyLink system is half a driving day (4 hours plus) off on an 1100 mile trip? The only answer is a crappy data base, for which you are offered updates (likely also crappy) at $160 to $200 a pop. Even Garmin only charges around $50 for an update, and for that you get a reasonable ETA to your destination. Chevrolet's customers deserve better than this. Frankly, it's just unbelievably sophomoric from a corporation with the stature of GM when navigation systems are so ubiquitous.
  2. Not only the above, but you will be paying $160 to $200 for a defective data base. The ETAs for much of anything but a short trip to the local grocery store will be way off. I posted the following (in red) way back in the summer, but I seem to be the only one who finds it important, and Chevy doesn't find it important at all, since they informed me they were aware of the problem but didn't have a fix for it and were "closing my case". I have a new 2014 Silverado 1500 with the MyLink navigation system. For years I have used a Garmin GPS and am very familiar with its operation. Is anyone else experiencing gross errors in the time of travel depected by the Chevy navigation system? I have compared times using the Chevy system, Garmin,Google and MapQuest, with consistent route parameters (fastest, use toll roads, use highways....etc), and find that, especially with longer distance routings (50 miles and up), travel times computed by the Chevy system are badly off. For example: Approx. 60 mile trip, Garmin - 1 hr 5 min, MapQuest - 1 hr 8 min, Google - 1 hr 4 min, Chevy - 1 hr 30 min Approx. 120 mile trip, Garmin - 2 hr 0 min, MapQuest - 2 hr 2 min, Google - 2 hr 1 min, Chevy - 2 hr 54 min Approx. 1120 mile trip, Garmin - 13 hr 19 min, MapQuest - 13 hr 44 min, Google - 13 hr 3 min, Chevy - 17 hr 10 min Anyone else noting these differences? So, $160 to $200 to update a nav data base that can't get right one of the most basic reasons for having a nav system......approximately when one will arrive at the destination? I don't think so, either!
  3. As far as I know, there's no new update available, at least for my truck (purchased in Apr 2014). There will be a charge if the past is prologue.
  4. I've done a few searches and haven't found the thread to which you refer. Can you give me a link to it? Thanks
  5. I have a new 2014 Silverado 1500 with the MyLink navigation system. For years I have used a Garmin GPS and am very familiar with its operation. Is anyone else experiencing gross errors in the time of travel depected by the Chevy navigation system? I have compared times using the Chevy system, Garmin,Google and MapQuest, with consistent route parameters (fastest, use toll roads, use highways....etc), and find that, especially with longer distance routings (50 miles and up), travel times computed by the Chevy system are badly off. For example: Approx. 60 mile trip, Garmin - 1 hr 5 min, MapQuest - 1 hr 8 min, Google - 1 hr 4 min, Chevy - 1 hr 30 min Approx. 120 mile trip, Garmin - 2 hr 0 min, MapQuest - 2 hr 2 min, Google - 2 hr 1 min, Chevy - 2 hr 54 min Approx. 1120 mile trip, Garmin - 13 hr 19 min, MapQuest - 13 hr 44 min, Google - 13 hr 3 min, Chevy - 17 hr 10 min Anyone else noting these differences? Thanks
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