Thousands of Toyota new car buyers are growing frustrated because they can't get a second key or fob, leaving them worried about losing their one key.

Learning how to change the battery in a Toyota key fob isn't difficult. Whether you have a new or old model, we'll show you how to do it step by step.

To the consternation of unaware owners, Toyota's remote start key fob functionality requires a paid $8 per month subscription service.

If your car has Remote Connect, it will start. The fob needs to be within 20-30 feet to work. Alternatively, you can install the Toyota app from that App Store or Google Play.

Learning how to change the battery in a Toyota key fob isn't difficult. Whether you have a new or old model, we'll show you how to do it step by step.