Kia Rio5 brake lights remain continuously on despite previous attempts to fix on Kia Rio5

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Kia Rio5 owners report experiencing issues with their brake lights remaining continuously on, despite previous attempts to fix them. This problem may stem from a malfunctioning brake light switch located above the brake pedal, which could cause the lights to stay illuminated. Additionally, a faulty brake light relay under the hood may contribute to the issue. Owners should also inspect the wiring harness connecting the brake switch to the bulbs for any frayed wires or circuit problems. Even after replacing the bulbs, some owners find it necessary to verify that they are the correct type and properly installed. Furthermore, issues with brake fluid, such as leaks or improper line pressure, can also affect the brake system and lead to the brake lights staying on. It is essential to thoroughly check these components to effectively resolve the continuous brake light issue.

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