My 2011 tire sensor stays on, rear defroster switch doesn't work, inside lights don't go out, trunk release doesn't work, and alarm does not activate.

Asked by Sep 21, 2015 at 10:56 AM about the 2011 Mercury Grand Marquis LS Fleet

Question type: Maintenance & Repair

3 Answers

94,485

Did you change the battery???

1 out of 1 people think this is helpful.

No

94,485

You may need to reset your ECM on the car...

1 out of 1 people think this is helpful.
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