What are symptoms of brake master cylinder failure? on 2002 Hyundai Santa Fe

brake likes will not go out when engine is turned off.

Asked by for the 2002 Hyundai Santa Fe
2 answers
Near the brake pedal there is an adjustable nut and bolt that when tighten will allow the brake light to go off properly. My daughter did it herself with some pliers.
you have a bad brake light switch