2013 Nav Is Inaccurate Badly
Thread Starter
Burning Brakes
Joined: Jan 2013
Posts: 755
Likes: 2
From: Valencia CA
2013 Nav Is Inaccurate Badly
This might of been covered before, but I can't seem to find any posts about my problem. I picked up my car brand new three weeks ago at the dealer. They set my Nav while I was in the car with them as far as the correct location etc.
Here's the problem - I've input memory points no problem and checked that they were correct. I used the Nav last night and out of 5 locations I wanted to go, 4 were wrong by like 5 or 10 miles. On the last one, I wanted to go home, so I pushed the Home button and it told me every exit on the freeway to get off (I was still 25 miles from my house). I kept it on to see what would happen and only when I got within a mile did it tell me the correct directions.
To be clear, before I entered another destination, I always deleted the incorrect directions via voice command so I had no way points or any other direction in use except the place I wanted to go.
Any suggestions? Thank you...
Lou
Here's the problem - I've input memory points no problem and checked that they were correct. I used the Nav last night and out of 5 locations I wanted to go, 4 were wrong by like 5 or 10 miles. On the last one, I wanted to go home, so I pushed the Home button and it told me every exit on the freeway to get off (I was still 25 miles from my house). I kept it on to see what would happen and only when I got within a mile did it tell me the correct directions.
To be clear, before I entered another destination, I always deleted the incorrect directions via voice command so I had no way points or any other direction in use except the place I wanted to go.
Any suggestions? Thank you...
Lou
Drifting
Joined: Feb 2012
Posts: 1,796
Likes: 37
From: skiatook oklahoma
get a Garmin. i dont care if there are a few here that love their GM gps. it stinks and i am not afraid to state that.
sorry... didnt mean to get on my soap box there....
seriously , Get a Garmin or iphone gps or other and cancel yours or dont pay for it when it comes up for re-subscription.
the few that love theirs can now chime in
p.s. i am retired but had been a computer programmer for 35 years so i learn how to operate stuff pretty easy. but until they make it user friendly and accurate, it sits there looking pretty while the wife and i use our Garmin and her iphone gps. i help alot of folks here and i would give you every possible (easy) way to operate it easily and accurately, but that isnt possible.. sorry
sorry... didnt mean to get on my soap box there....
seriously , Get a Garmin or iphone gps or other and cancel yours or dont pay for it when it comes up for re-subscription.
the few that love theirs can now chime in
p.s. i am retired but had been a computer programmer for 35 years so i learn how to operate stuff pretty easy. but until they make it user friendly and accurate, it sits there looking pretty while the wife and i use our Garmin and her iphone gps. i help alot of folks here and i would give you every possible (easy) way to operate it easily and accurately, but that isnt possible.. sorry
Last edited by ChevyDave; Feb 27, 2013 at 07:53 PM. Reason: p.s.
Team Owner
Joined: Sep 2000
Posts: 25,025
Likes: 2,716
From: Far NW 'burbs of Chicago
St. Jude Donor '13
This might of been covered before, but I can't seem to find any posts about my problem. I picked up my car brand new three weeks ago at the dealer. They set my Nav while I was in the car with them as far as the correct location etc.
Here's the problem - I've input memory points no problem and checked that they were correct. I used the Nav last night and out of 5 locations I wanted to go, 4 were wrong by like 5 or 10 miles. On the last one, I wanted to go home, so I pushed the Home button and it told me every exit on the freeway to get off (I was still 25 miles from my house). I kept it on to see what would happen and only when I got within a mile did it tell me the correct directions.
To be clear, before I entered another destination, I always deleted the incorrect directions via voice command so I had no way points or any other direction in use except the place I wanted to go.
Any suggestions? Thank you...
Lou
Here's the problem - I've input memory points no problem and checked that they were correct. I used the Nav last night and out of 5 locations I wanted to go, 4 were wrong by like 5 or 10 miles. On the last one, I wanted to go home, so I pushed the Home button and it told me every exit on the freeway to get off (I was still 25 miles from my house). I kept it on to see what would happen and only when I got within a mile did it tell me the correct directions.
To be clear, before I entered another destination, I always deleted the incorrect directions via voice command so I had no way points or any other direction in use except the place I wanted to go.
Any suggestions? Thank you...
Lou
Our 2006 disc would sometimes do the on and off freeway routine in certain areas, but not others. Our 2009 (and later discs we upgraded with) has never done it. I have heard of a few recent cars having the problem, but never heard why.
We've had two garmins, two other make factory navs, and four cellphone navs; we prefer the C6 factory nav over any of those. Any GPS will work well most of the time, but any of them will occasionally drive you nuts.
BTW, CF member talon90 has produced a very good tutorial for the C6 nav. Search for his name and go to his website. After 7 years/95k miles using the factory nav, I still prefer it. But learning HOW to use it will take some study and practice.
Melting Slicks
Joined: Dec 2006
Posts: 2,694
Likes: 106
Not a fan of this cheap nav, but something's wrong with yours. My guess is a simple calibration will fix that. Read your manual and recalibrate it using those instructions. The guys at the dealership probably didn't know what the hell they were doing. If recalibrating it doesn't fix it, something might be wrong with it. Our nav might be crap as far as features, but it should be as accurate as the best around. That means maybe a few hundred feet off at the most, but not miles. Please keep us posted, and good luck.
Thread Starter
Burning Brakes
Joined: Jan 2013
Posts: 755
Likes: 2
From: Valencia CA
I've read his posts and also I have read the Nav manual. I'm a computer programmer so software and gadgets are my thing. I do have a Garmin in my other car but what's the point of a $65k car if you can't use the factory nav unit? I also have an iPhone so I'm covered, but this bugs me to no end. Of course I can take it back to the dealer and see what they say, but I wanted to get a few ideas before I do that. Even when I manually enter a destination without using memory points it still gets the directions off. BTW, these are not new places that I was going to last night. Most have been there for years so it has nothing to do with a new disk (mines brand new) so that's not the problem and it's in the unit as it should be....
Thread Starter
Burning Brakes
Joined: Jan 2013
Posts: 755
Likes: 2
From: Valencia CA
I'm going to recalibrate it tomorrow when it's daylight out and see if that helps. I just didn't think I would have to do it with a 3 week old car but if it works hey all the better. I will keep you posted and thanks ELP JC and everyone else...
Melting Slicks
Joined: Dec 2006
Posts: 2,694
Likes: 106
My pleasure 
. But you know what? Go ahead and reset it to factory specs first man (instructions in manual too); you never know who was d*cking with it. Then recalibrate it. That should do it. Good luck, and looking forward to hearing from you that everything is fine 
.
. But you know what? Go ahead and reset it to factory specs first man (instructions in manual too); you never know who was d*cking with it. Then recalibrate it. That should do it. Good luck, and looking forward to hearing from you that everything is fine .
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Michael S. Palmer
Tech Contributor
Joined: Oct 1999
Posts: 41,063
Likes: 9,825
From: Charlotte, NC (formerly Endicott, NY)
The one in my 08 is as accurate as any other GPS. Most of the time inaccuracies are due to the data base being used for the mapping data. Then all units (no matter who makes them) that use that data base will be inaccurate. The GM Nav unit is a Denso which is also installed in highly esteemed non GM Brands.
Bill
Bill
Team Owner
Joined: Sep 2000
Posts: 25,025
Likes: 2,716
From: Far NW 'burbs of Chicago
St. Jude Donor '13
I've read his posts and also I have read the Nav manual. I'm a computer programmer so software and gadgets are my thing. I do have a Garmin in my other car but what's the point of a $65k car if you can't use the factory nav unit? I also have an iPhone so I'm covered, but this bugs me to no end. Of course I can take it back to the dealer and see what they say, but I wanted to get a few ideas before I do that. Even when I manually enter a destination without using memory points it still gets the directions off. BTW, these are not new places that I was going to last night. Most have been there for years so it has nothing to do with a new disk (mines brand new) so that's not the problem and it's in the unit as it should be....
If you have not yet read talon90's actual tutorial as posted on his website, I'd recommend giving it a try. I downloaded into my laptop, then sat in the car and started working. Just don't stay at it too long, you can kill the battery.
If something is wrong with a setting or two in your nav, following his instructions is a good way to discover it.
Thread Starter
Burning Brakes
Joined: Jan 2013
Posts: 755
Likes: 2
From: Valencia CA
Here's my update so far:
Reset to factory defaults: Done
Calibration: Done
Did it fix the issue: No, made it worse. I sat in my driveway in front of my house and it said miles to my home is 52.
Made an appointment with the dealer today to see what they say. Keep you posted...
Lou
Reset to factory defaults: Done
Calibration: Done
Did it fix the issue: No, made it worse. I sat in my driveway in front of my house and it said miles to my home is 52.
Made an appointment with the dealer today to see what they say. Keep you posted...
Lou
Drifting
Joined: Feb 2012
Posts: 1,796
Likes: 37
From: skiatook oklahoma
Here's my update so far:
Reset to factory defaults: Done
Calibration: Done
Did it fix the issue: No, made it worse. I sat in my driveway in front of my house and it said miles to my home is 52.
Made an appointment with the dealer today to see what they say. Keep you posted...
Lou
Reset to factory defaults: Done
Calibration: Done
Did it fix the issue: No, made it worse. I sat in my driveway in front of my house and it said miles to my home is 52.
Made an appointment with the dealer today to see what they say. Keep you posted...
Lou
Your wife has been calling and is wishing you would come home. If you need assistance, use your GPS to get yourself back. Alzheimers is a terrible thing.
Missing Persons Department
Last edited by ChevyDave; Mar 1, 2013 at 12:08 PM.
Race Director
Joined: Sep 2009
Posts: 11,351
Likes: 2,445
From: Eastern
Here's my update so far:
Reset to factory defaults: Done
Calibration: Done
Did it fix the issue: No, made it worse. I sat in my driveway in front of my house and it said miles to my home is 52.
Made an appointment with the dealer today to see what they say. Keep you posted...
Lou
Reset to factory defaults: Done
Calibration: Done
Did it fix the issue: No, made it worse. I sat in my driveway in front of my house and it said miles to my home is 52.
Made an appointment with the dealer today to see what they say. Keep you posted...
Lou
I have an O6, and have updated the discs 3-4 times over the years.
The directions have been spot on for all my travels.
Good Luck
Last edited by 4SUMERZ; Mar 1, 2013 at 11:30 AM.
Melting Slicks
Joined: Oct 2004
Posts: 2,863
Likes: 150
From: Woodland CA
I have a 2013 and the Nav is pretty accurate. There have been a few times there it tells me just a little too late when to turn. As for as "HOME" I would say it is about 2 houses off. Close enough.
Drifting
Joined: Apr 2001
Posts: 1,779
Likes: 6
From: LOS ANGELES CA.
My Nav System,Yuk
I have a 09 Coupe with the factory Nav system.I contacted GM and I received a new updated disc.The new disc doesn't seem to have many if any real updates,but I am certain there most certainly are.My Nav system was being used to guide me to a location I am very familiar with.My system is off about a mile or so and directed me to make a left turn.There isn't any left turns in the area except a very deep canyon on the left side of the road.At night this could be very dangerous having the system guiding a vehicle to do left off a drop of a few hundred feet.This area is on the way to the mountains and if a vehicle went over the side,it might take a while til the vehicle could be located.Rod
::fla g:
::fla g:
Race Director
Joined: Apr 2000
Posts: 15,344
Likes: 4,009
From: Texas
Mine works fine, no issue with being off by miles and miles. I used it to get to specific locations from San Francisco to Seattle and from Seattle to LA as well as around the LA metro area. Sounds like there's an issue with the unit or electronics that interpret the GPS data.
Team Owner
Joined: Sep 1999
Posts: 41,732
Likes: 1,718
From: Springfield MO
I gave up on the factory NAV and rely on my Garmin.
Would anyone purchase a XYZ microwave oven if you had to learn two dozen weird symbols and it took a dozen steps just to heat up some water for a cup of instant coffee?
Not much point in having instant coffee if it takes 10 minutes to program the microwave oven(after reading a 50 page tutorial each time you wanted to use the microwave oven).
Would anyone purchase a XYZ microwave oven if you had to learn two dozen weird symbols and it took a dozen steps just to heat up some water for a cup of instant coffee?
Not much point in having instant coffee if it takes 10 minutes to program the microwave oven(after reading a 50 page tutorial each time you wanted to use the microwave oven).
Team Owner
Joined: Sep 2000
Posts: 25,025
Likes: 2,716
From: Far NW 'burbs of Chicago
St. Jude Donor '13
The factory nav has some disadvantages, like any other unit. But it also has some advantages over a Garmin:
Comes with the car.
Covered by 3/36 and GMPP waranties.
Looks factory because it is factory.
No wires to connect or hide.
No need for any kind of mounting system.
Mutes the music when giving you voice directions.
Business destinations can usually be entered by phone number.
and, most important for me-
Does not invite broken windows/theft if left visible.
Projects turn arrows and distance onto the HUD.
For me, the advantages of the factory nav outweigh it's disadvantages. Someone who uses their car differently from us might prefer a different system.
As I've said many times before, no nav system is perfect. The factory nav is not perfect, but I've used garmins and followed other cars with garmins, enough to know they can do some really strange things also.
Comes with the car.
Covered by 3/36 and GMPP waranties.
Looks factory because it is factory.
No wires to connect or hide.
No need for any kind of mounting system.
Mutes the music when giving you voice directions.
Business destinations can usually be entered by phone number.
and, most important for me-
Does not invite broken windows/theft if left visible.
Projects turn arrows and distance onto the HUD.
For me, the advantages of the factory nav outweigh it's disadvantages. Someone who uses their car differently from us might prefer a different system.
As I've said many times before, no nav system is perfect. The factory nav is not perfect, but I've used garmins and followed other cars with garmins, enough to know they can do some really strange things also.