Lexus IS250 U Owner's Manual page 331

Phone display settings
Go to "Phone Display Settings":
Settings"
Change the incoming call display
1
Set the phonebook/history transfer
2
status notification display on/off
To return to the default volume settings
■
Move the controller to the left and then select "Default".
IS350/250_U (OM53C50U)
®
5-9. Bluetooth
 "Setup"  "Phone"  "Phone Display
331
Phone
5