digitalfx Posted March 6, 2006 Share Posted March 6, 2006 2006 RX400h My GPS has started acting very strange, it started about two weeks ago. The GPS mapping was several miles off the correct location. I went into the menu and was able to adjust my position, and everything worked fine for about a week, then it happened again. This has happened 3 times now, and it appears my position has been off anywhere from several block to 6+ miles, it also loses orientation (direction). This is getting very annoying. Anyone else have a similar experience? NOTE: I did upgrade the DVD to ver 5, which is listed as compatable w/ my Nav. The system worked great for 3 weeks after the update and started freaking out 3 weeks after the install. Quote Link to comment Share on other sites More sharing options...
cruznroadking Posted March 6, 2006 Share Posted March 6, 2006 Disconnect the DVD then see if it makes a difference. Quote Link to comment Share on other sites More sharing options...
Rx330driver Posted March 6, 2006 Share Posted March 6, 2006 i guess that means go to the trunk and take out the CD. But it probably has to do with the antenna which is built into the winshield area. might wanna fiddle with that Quote Link to comment Share on other sites More sharing options...
katzjamr Posted March 6, 2006 Share Posted March 6, 2006 im doing this from memory but it seems to me it takes more than one antenna for the nav to triangulate your position accurately, and it sounds like one of them is not working. there is a nav antenna in the back of the vehicle as well. i bet your dealer can figure it out for you. Quote Link to comment Share on other sites More sharing options...
digitalfx Posted March 6, 2006 Author Share Posted March 6, 2006 im doing this from memory but it seems to me it takes more than one antenna for the nav to triangulate your position accurately, and it sounds like one of them is not working. there is a nav antenna in the back of the vehicle as well. i bet your dealer can figure it out for you. I have never seen a GPS use more than one antennea....it uses more than one satellite to triangulate. I also doubt the antennea is at issue as I am getting a lock, just the wrong one. The antennea either works or doesnt....there is no middle ground. This has to be some sort of software glitch. I am reluctant to take it to the dealer since I added the DVD update myself. I have owned over a dozen GPS devices (mostly Garmin hand held units and Street Pilots) in the past 6+ years and have never experienced anything like this....very starange. Quote Link to comment Share on other sites More sharing options...
skyfish400h Posted March 6, 2006 Share Posted March 6, 2006 I am reluctant to take it to the dealer since I added the DVD update myself. Is there some process involved to do this update? Is it not simply a matter of inserting the new disk into the DVD drive and turning on the system? If so, can't you simply put the old disk back in and see if you still have this problem? If the problem persists, then you need to take the car in to have it fixed... if all is well with the old disk, then I would go get my money back on the update. From what has been described of it, sounds like the update is a waste of $300. Quote Link to comment Share on other sites More sharing options...
Rx330driver Posted March 7, 2006 Share Posted March 7, 2006 no, you cant put the old disc back in, by doing that, the computer had to rewrite over something, and anything that is a downgrade will not work...thats how i heard it, might not be the best explanation. You probably should have went to the dealer to do the update, only 200 dollars more than what you paid...i dont think they can help me now...any sort of warranty might be cancelled because of this Quote Link to comment Share on other sites More sharing options...
katzjamr Posted March 7, 2006 Share Posted March 7, 2006 I just called the dealer so i wasnt guessing, in the 400h the black antenna in the back handles the main signal for the nav, however there is also an antenna in the rear window that gives it a boost. He did say that he did not think it was an antenna or a dvd problem, he thot it could be any one of 3 or 4 'small' issues that are fixable. He said bring it in. Quote Link to comment Share on other sites More sharing options...
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