Diode Dynamics Always-On™ Module For 2013-2016 Subaru BRZ (USDM)Overview Introducing the Always On module by Diode Dynamics, compatible with all years Subaru BRZ! This is the USDM version, for use on U. S. and Canadian vehicles only. From the factory, your Subaru BRZ has LEDs in the headlight, which come on with your parking lights. These are known as "boomerangs" due to the curved shape. You also have LED DRLs in the lower bumper. This module allows you to keep your boomerang LEDs on as a DRL during the day, and