My key fob is not working correctly. working. I have change the batteries (2032) several times. It will work work once or twice, then I have to manually open the truck. This sets off the alarm. plenty annoying to me and the neighbors as well. The batteries for the key fob all check good with a meter, Even the original battery checks good. Is there an internal switch inside the truck that maybe bad? What could the problem be? Thank you for any advice!