To enable the Coming home / leaving home function all the time. By following the below instructions the DRL strips + rear tail lights will come on whenever you unlock the car (irrelevant of the outside light condition or the position of the light switch)   They will stay on as long as the car is unlocked (irrelevant of ignition position). If you leave the car unlocked and don’t do anything, they will go out completely after around 10 mins. They will go off around 1 – 2 s