2010 Toyota Camry Owners Manual - Page 303
2010 Toyota Camry Manual
Page 303 highlights
3-4. Using the hands-free phone system (for cellular phone) Setting voice guidance volume STEP 1 STEP 2 Select "Guidance Volume" by using Change the voice guidance volume. To decrease the volume: Turn . counterclockwise. To increase the volume: Turn clockwise. Initialization STEP 1 Select "Initialize" and then "Confirm" by using . STEP 2 Select "Confirm" by using . 280