This is a stopper that goes in between your brake pedal and brake light switch. If your brake lights stay on even when your car is off, this is a likely culprit to replace. I printed this in PETG and the pictures show my model (in gold) compared to a replacement part purchased online (in black).
The replacement part is designed to work for a variety of car makes and models, but I've only tested this on my 2014 Hyundai Elantra. Your milage may vary.
Printed on an A1 Mini, on a 0.4 mm nozzle. Recommend TPU if you have it, but PETG also works.
The author marked this model as their own original creation.