2010 Toyota Highlander Owners Manual - Page 378

3-4. Using the hands-free phone system (for cellular phone) First menu Phone book delete entry Phone book set speed dial Phone book delete speed dial Phonebook Second menu Phonebook Unlock Phonebook Lock Operation detail Deleting phone book data Registering speed dial Deleting speed dial Unlocking the phone book Locking the phone book n Automatic adjustment of volume When vehicle speed is 50 mph (80 km/h) or more, the volume automatically increases. The volume returns to the previous volume setting when vehicle speed drops to 43 mph (70 km/h) or less. n When using a voice command l For numbers, say a combination of single digits from zero to nine, # (pound), ∗ (star), and + (plus). l Say a command correctly and clearly. n The system may not recognize your voice in the following situations: l When driving on a rough road l When driving at high speeds l When air is blowing out of the vents onto the microphone l When the air conditioning fan emits a loud noise n The following cannot be performed while driving: l Operating the system with l Registering a cellular phone to the system n Changing the passkey →P. 360 352