will not start

I've got a 2014 Lacrosse. After or during a heavy rainfall, neither my key fob or the buttons on the door handles will unlock my car. I need to use the pop-out key on the fob to unlock the driver's door. I usually then get horn action when I try to do anything, as the car thinks I'm a thief...

1995 Lesabre. 125k miles. 3.8L v6. Hi my Buick brothers and sisters. I am at my wits end with my Lesabre. I have never been as baffled with a car as I am now. Here goes the explanation: Background: I have owned the car for about 5 years now, with no major trouble. My car will not start....at...