We cannot get our garmin c340 to acquire satellites.

If your StreetPilot c300 or c500 series device is no longer acquiring satellites please read the article linked below to ensure that this is not being caused by something in your environment:

Why won't my unit acquire satellites?

If after reading the above article your unit is still having problems, please ensure that your unit's software is up to date. You can do this by using our WebUpdater® program.

If you have tried all of the above suggestions and your unit is still not acquiring satellites, you can perform a master reset by doing the following:

Note: A master reset will erase all waypoints or favorites and will restore your unit to the default factory settings.

1. Start with the unit powered OFF and unplugged from power.
2. Touch and hold the bottom right corner of the touchscreen.
3. Power the unit ON and continue pressing the screen until a new message displays, "Do You Really Want To Erase All User Data?".
4. Touch Yes and go through the set up again.

Take the unit outside and let it set with a clear view of the sky for 3-5 minutes to acquire satellites. If the unit still does not acquire satellites after this, please contact Garmin Product Support.

Question: The time is not correct on my StreetPilot. How do I set it?
I think one of these 2 may help you.... --> Answer: The GPS unit acquires the time from satellites. Therefore, to display the correct time, the StreetPilot first needs to acquire satellites. You can then set the time zone and daylight savings time.
To set the time zone and daylight savings time:

1. Press the Menu button two times.
2. Select System Setup.
3. Select the Time tab.
4. Select the time zone and daylight savings preference.

Your garmin need to be updated through the manufactor website. That should take care of it.

try resetting the unit. if that fails try updating the unit software free from garmin.com

you may need to reset it, as in resetting the c340, turn off and then press back on again, if this does not work maybe the reset button is in the same place as it is on my c340, instructions for the c340 is as follows: place your thumb nail in the groove located under the Garmin logo on the face plate, gently pull off the face plat, press the reset button, turn the unit back on and hopefully it will operate normally

First, be sure you are outside, in the open when making this diagnosis. Some cars have metallic defrosting layers, which blocks the GPS signal. If, when outside in clear view, you still have problems, try this...

Have you tried a hardware RESET? The button is hidden behind the front panel, which snaps off by a fingernail slot located directly under the GARMIN logo on the front panel.

* Use caution removing and reinstalling the front panel... it's somewhat fragile... wiggle it a little to get it off.

Press where it says "Press to Reset", hold for a second or two. Charge the unit with the car cord or USB cable, then try to turn it on again.

Once you can get the unit to (hopefully) turn ON, you should run all updates (there may be several!) using Garmin's Webupdater. (Connect to computer with USB cable first.)

Hope this helps!!

You have a problem with your internal antenna. You can easly reslove this by hooking up an external antenna, and watch it go from 20 to two mins.

I had the same problem with my brand new nuvi 200w. I called Garmin support and they were able to help me. I live on Long Island and evidently when I first turned on the unit I had selected the "Atlantic" time zone rather than "Eastern." The support tech had me reboot the unit by turning it off, holding my thumb onto the lower right hand corner of the screen and turning the unit back on. It does prompt you that you will lose your previous settings. When I reset it and selected the proper time zone its worked like a charm.

first turn it on and let the unit acquire satellites to find your home state. Then you can set up your address as your "home location". When I first set it up, I was able to pick up the satellites in my bedroom (scary....)...everything worked just fine.

This can be easily fixed....
I had the same problem, I returned first piece and exchanged for the second. Had the same problem with second and took back to Circuit city. The GPS guys took out 3rd one for me and had same problem. Then the manager came who has been using these for couple of years and tried to set the home location 3 times and it worked 3rd time. He did the same for the second returned piece and it also worked. He says since these pieces are programmed for Kansas we need to give 3-4 tried before the piece first 'locates' satellite and then acquires satellite. After the the piece just turned out to be awesome.