You indicated that the battery went dead. Does the new battery work correctly? That is, does it show a full charge when you've had it plugged in overnight and disconnect the power? Try plugging it into AC power overnight and verify that the battery is accepting and holding a full charge. If it isn't, then unplug and turn the unit on and allow the battery to run all the way down. Then charge it fully. This resets the charge indicator. You may have to repeat it once. I did this and was able to again show that both my new and my old battery were working o.k. They should show about 8.1 V fully charged.
About the Nexrad problem. In the past I would need to refresh the XM receiver when this happened. XM walked me through it and I have the steps, but the links are no longer working. Maybe it is no longer required since the XM link now jumps to SiriusXM. I've not needed to refresh for a couple of years and I suspect they eliminated that requirement.
To verify that the XM antenna is connected:
Turn unit off.
Connect the XM receiver.
Simultaneously press "on" and "enter" keys- hold both until data screen appears, which takes about 5 seconds.
Second line from bottom indicates if it is seeing the XM receiver. This helps isolate where the problem is- i.e. if you have a faulty receiver, bad connection or a software problem. The only contact I know of now is Garmin 800-800-1020. They can give you the XM contact if the problem is on that side of the unit.
There is other data here which may be of interest to you on this page.
Turn unit off to close this window.
If you need your XM radio ID, turn 396 on.
Press menu, menu, scroll to XM, then right to Info.
XM Receiver ID is there. Write it down in case you talk to XM or they give you a way to refresh.
There are other menus you can get into but if they show a problem I don't know the solution other than contacting Garmin and I don't have my XM receiver home so can't verify the steps.
I did locate the refresh site. I'm not sure this is what is needed in your case, but in the past this worked. Turn your Garmin on with the XM connected and outside where it can receive a satellite signal. Go to the site, enter your radio ID and click "send activation":https://care.siriusxm.com/retailrefresh_...
In the past the signal would be sent and the unit would refresh within 20 minutes, usually quicker.
Thanks so much. I have done thru the help of Garmin & XM many of your suggestions but not all such as test to be sure the unit is receiving XM.
Garmin ask us to sent in the antenna only. I expect they are going to replace it.
Garmin and XM both sent refresh signals. I have also refreshed thru web site. A couple of days ago Garmin ask that we sent the antenna in to them. I suspect we will receive a different antenna.
You're welcome! Garmin is usually pretty good about that. If they send it back and say that nothing is wrong, try the method I gave you to verify that the antenna/receiver is working. Maybe they walked you through that and determined it was the antenna/connection and they will repair or replace that. Good luck with it. Hard to live without the WX on your G396!
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In order to reset Garmin device or enter into maintenance mode, perform one of the following procedures:
Power off Garmin unit. Press on continuously the upper top left corner of screen and then power on the unit by pressing once on the Power button. You should be prompted to clear all user data, or asked if do you really want to start up in maintenance mode. Press "Yes" to reset (warning: all data will be erased and lost, so backup before proceeding) or enter maintenance mode.
Hack above works on Garmin Nuvi 660, 680 series.
Turn off Garmin device. Press down on bottom right corner of the touchscreen, and then power on the GPS unit. You should be prompted whether do you really want to erase all user data, or asked if do you really want to start up in maintenance mode. Press "Yes" to reset (warning: all data will be erased and lost, so backup before proceeding) or enter maintenance mode.
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http://www.mydigitallife.info/2009/06/09/how-to-reset-garmin-nuvi-gps-device-access-maintenance-mode/
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