Subaru 2009 Impreza Navigation System - Manual (Page 216)

216 Handsfree
Other Bluetooth settings
Changing the Device Name of the in-vehicle equipment displayed in the Bluetooth Phone
It is possible to change the Device Name of the in-vehicle
equipment displayed in the Bluetooth setting of the Blue-
tooth Phone.
1
Press the button.
2
Select (Phone).
3
Select (Bluetooth Settings).
4
Select (My Info).
5
Select (Device Name).