Do you have our id.TOUCH Keyless Start System?  Do you typically hang your keys on a hook in your garage?  Here's a tip for you -  don't hang the key fob on that hook!  When the fob is in close proximity to the Touch-n-Go unit they "talk" to each other.  It won't take long and you'll find the battery in the key fob is going dead.  Take it in the house away from the garage and you've solved a problem before it even occurred.