Checking and adjusting the brake light switch (Hyundai Accent MC)
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Screw the switch until the threaded part of the plunger (A) stops in the brake pedal stop (B). Unscrew the switch by 3/4 of a turn so that the gap between the plunger and the pedal is 0.5-1.0 mm. Make sure that the brake lights go out when the pedal is released.