My heat turns on while the car is off and drains my battery! How can I fix it? on 1999 Cadillac DeVille

The problem is constant. I need this fixed. I have no clue what causes this and I need help. Please tell me if you have the same problem and what caused it! Help is appreciated!

by in Urbana, IL on January 15, 2014
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1 answer
ANSWER by , January 15, 2014
Are you referring to the blower is running.