2012 Toyota Matrix Owners Manual - Page 241
2012 Toyota Matrix Manual
Page 241 highlights
3 -4 . U sing t he ha nds-fre e phone syst e m (for c e llula r 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.