Warning gong!

Warning gong starts sounding with no alert on screen. Today it went on for 1 hour even after car was stopped & locked. Any help would be gratefully
received.
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I know, when the temperature gets close to freezing, you would here that sound. However, hearing it for 1 hour? I don't know. Let us know if you find out the cause.
HIBEE wrote:

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Pulled plug out of unit, OK now!
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