During use, the parking button may encounter various malfunctions, such as no response after being pressed or intermittent failure. First, check whether the button is stuck or blocked by foreign objects—cleaning it may restore normal function. Next, inspect for signs of poor contact; if the wires are loose or worn, they should be refastened or the harness replaced. Abnormal voltage may also cause the button to fail, so use a voltage tester promptly for troubleshooting. For issues where the indicator light does not illuminate, check whether the bulb is damaged and replace it if necessary. In addition, regularly clean the contacts to ensure good connectivity. In the event of water ingress, perform immediate drying and inspect internal components for damage. By following these simple methods, common parking button malfunctions can be effectively resolved, ensuring proper operation.