Question about Tomtom XL 330 Car GPS Receiver

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I live in Houston and the temp today is 104. I

I live in Houston and the temp today is 104. I cant get a singnal. I have been having trouble getting a signal in my car the last few days . When I did get a signal yesteray it gave me bad directions. It gave me bad directions again today and now I cant get a signal at all. The Tomtom is an XL. I have had it a little over a year now.

Someone told me some of your satelites are out. Is this true and if so is it part of the problem. This is my 2nd TomTom. I am thinking of getting a new GPS of a different brand.

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Ok....this is quite simple. The GPS device you are using is only designed to work properly in a temperature range. You said it was a 104. I am currious what was the temp in the car? Probably allot higher. If the unit has been in the car it will be more like 160 or higher which explains the trouble you are having receiveing the signal. The anntenna in the unit becomes distored or expans due to the etreme heat and therefore can not receive the return signal you send up to the sattelite. The sattellites are working fine. They are in space and are operating under a whole different temperature range like sub zero. I suggest remove the gps unit from window definently and also from the vehicle itself if the windows are rolled up as the ari temp in the car will be allot higher. Also you may want to refer to the owners manual as there are guidelines for use of the product or temperature range it will work inn.

Also the extreme heat will also put a toll on the battery in the unit as well and could fail under these conditions and leak and ruining the gps altogether. I know it might be a pain in the but to take it off the window and remove it but if you do that the device should work again. The anntenna expans so much do to the heat it fails to receive the signal back at its proper tuned frequency. Hence that why it gives you incorrect data or does not work at all. Take the unit inside on these hot days. You may want to spend a few bucks on a turkey thermoter and just lay it on the dash and check it around 3PM on a bright sunny hot day. You will be surprised how hot the air is inside the car. Hope that helps you out!

Posted on Jun 24, 2009

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