When DRL stay on, the Amber background light will always be bright no matter what function you switch to.
Some vehicles headlight socket are not standard that may need to swap the pins, the headlights will not light up by Plug and Play, so please use H4 to 3 pins to simply swap the pins to make the lights work normally, H4 to 3 pins adapters are included.
2 PCS 7x6 LED Headlights
2 PCS H4 to 3 Pins Adapter
4 PCS Yellow Extension Wire for DRL and Turn Signal Light