See also:

Satellite radio operation (if equipped)
To receive satellite radio, it is necessary to install the SUBARU genuine satellite receiver for some models, and to enter into a contract with a satellite radio network service such as “XMTM sate ...

Headlights (models with HID headlights)
High-intensity-discharge (HID) bulbs are used for the low beams of the headlights. These HID bulbs use an extremely high voltage. To avoid the risk of an electric shock that could result in seriou ...

Limited slip differential (LSD) (STI)
The LSD provides optimum distribution of power according to the difference in revolutions between the right and left wheels that may be caused by certain driving conditions, thereby improving driving ...