Hello, I have a 2018 Hyundai Elantra SEL.

Recently I upgraded my exterior lighting (headlights, tail/brake lights, license plate, and reverse) to LED. The headlights are Opt7s and have capacitors that cancel out error messages for the car. The reverse/license plate lights don’t throw any error codes.

This brings me to the tail/brake lights. I am getting a “check brake light” message on my dash but ONLY when applying the brake pedal and ONLY when the headlights are on. Also, the other night for the first time, while the brake pedal was pressed in a drive thru for several minutes, the car started to give an error code for my high mounted brake light (3rd brake light).

Is there anything I can do besides installing resistors to fix this problem? I’m really against resistors because they have to be wired in and become very hot during braking.

I absolutely love the brightness of the LED lights though but I feel like I’m going to be forced to switch my tail/brake lights back to halogen if I can’t find another solution besides resistors. Are there any higher wattage LEDs that draw more power to not trigger the error code? Are there higher output halogens I could use to retain some of the brightness I’ll lose by switching back? Thanks for any help!