Available in 9 styles! This is a must-have whether you are looking for a little more style or added safety. All hardware included: bracket, screws, and additional plug-and-play harness for easy installation without having to tap into factory wires available for purchase. To change the brake light function between blinking and solid follow our steps below.   1: Before starting the car, put your lights in the OFF position.  2: Press down on your brake and hold down until the final step.  3: Turn your key to accessory mode. (Shows as ACC) Leave it there.  4: Switch your lights from (Off > DRL > Off) three times in a row quickly.  5: From ACC mode start your engine and leave it running.  6: Let off your brake and enjoy! PNP Wiring(purchased separately): Black(-) - Ground, connecting to the black wire from the F1 Light Green/Blue(+) - DRL/Parking Light, connects to the green/blue from the F1 Light Red(+) - Brake Light, connects to the red wire from F1 Light NOTE: Some PNP harnesses will come with a white wire which is for reverse, you can opt to utilize the blink for reverse instead of when braking. If you do not have plans on using it. Please tape the open end or simply unplug from the PNP harness. JDMuscle F1 Style Rear Fog/Brake Light fits 2011+ Subaru WRX/STI, offered with a 1-year warranty.