Moira, This is great question and is pretty involved. I invite you to look at our troubleshooting page for assistance on this. of course also refer to the repair guide that walks you through these steps! Cheers, Jason

Moira that is such a great question! I'm glad you came to our page for help. Changing the batteries is fairly simple and easily done yourself. You just need a small Phillips screwdriver and some patience. We have a guide for that, check it out on the troubleshooting page. Best of luck! Cheers, Jason