2010 lacrosse trunk randomly opens. Why and what's the cure.

Asked by Sep 12, 2015 at 11:30 AM about the 2010 Buick LaCrosse CXL AWD

Question type: Maintenance & Repair

4 Answers

78,375

Take the batteries out of your key fobs and see if that cures the problem, your fob could have an internal problem that trips the trunk release.

2 out of 2 people think this is helpful.

Thanks for the response and I'll try that. If that is the solution, then do I need a new fob or what so I do?

20

i know its a old post but just in case im answering this question. So its actually the trunk switch is getting moisture inside. what i do is i take off the switch. blow the water out and add a lil bit of silicon around the rubber. thats it snap it back in

2 out of 2 people think this is helpful.
10

I had the same issue. They said I must be hitting the trunk release button on accident. I didn't even have the key for with me when the trunk popped open. The dealer reprogrammed the switch so it would have to be hit twice to open. Hasn't happened since.

1 out of 1 people think this is helpful.

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