Braking System

Brake Light Switch Description and Operation

~1min read

Description

The brake light switch sends signals to turn on the brake lights and to the convenience devices (HECU, ECU, BCM, SMK, etc.). It is the system that conveys the driver's intention to brake when the brake pedal is pressed.

Test yourself

A quick Hyundai i20 quiz: every answer comes with an explanation and a link to the manual page.