2009 Toyota Sienna Owners Manual - Page 366
2009 Toyota Sienna Manual
Page 366 highlights
3-4. Using the hands-free phone system (for cellular phone) Dialing by inputting a number STEP 1 Press and say "Dial by number". STEP 2 STEP 3 Press and say the phone number. Dial by one of the following methods: a. Press . b. Press and say "Dial". c. Select "Dial" using . 340