rear window defroster dosent work. when door is ajar message center dosent let on 2007 Chevrolet Impala

rear window defroster doesn't work. when door is ajar it dosen't let me know in the message center the only one that lets me know is the trunk what is wrong.

by in Rochester, PA on February 25, 2014
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1 answer
ANSWER by , March 04, 2014
Defrost,u gotta check switch ,usually fail.