Originally Posted by UNKNOWN_370

That isn't a recharger. Just a key holder. In the event your battery dies you can insert your key in the car and get the car started till you buy a battery. You can open the trunk by placing the key in the door and making sure both doors have been opened with a double turn. Then the trunk will open when you touch the button in the rear.

Sorry to burst your bubble but you need a watch battery for your fob. With daily use they last about 1 year. Maybea few months longer???