2010 Toyota 4Runner Owners Manual - Page 402

3-4. Using the hands-free phone system (for cellular phone) Hands-free phone system (for cellular phone) features∗ This system supports Bluetooth®, which allows you to make or receive calls without using cables to connect a cellular phone and the system, and without operating the cellular phone. Owners of models equipped with a navigation system should refer to the "Navigation System Owner's Manual".