my Smartcar will not lock the doors from the inside nor the keyless entry. What could be the problem and what can I do to fix it?

Hello, The remote uses the wireless control module to request the doors lock, and the button is hard wired. Since the hard wired switch does not unlock the doors, I would not expect the remote to function except that the request enters the body control module from a different circuit. However, the doors locking when the vehicle moves is a third means of requesting the body control module lock the doors, so that method should work as well. There is another angle to this, so I wonder if the vehicle thinks the key is in the vehicle at all times. Do you get a warning message saying a door is open? The last thing is that you may have a bad fuse, and the noise you are hearing may be the wireless control module. Check your fuses first, but, other than that, you will need to have this diagnosed. I'd love to hear what the outcome is.