Inspect the wiring harness for scraping or burn spots and ensure all ground connections are tight.

It usually starts on a cold morning. You turn the key, and the engine cranks a bit slower than usual. Once it fires up, the or "Service" light glows steadily on the dash. On modern Renaults like the Clio, Megane, or Captur, you might also notice: The power steering feeling heavy or "notchy." The radio or infotainment screen flickering. Headlights that dim or brighten unexpectedly.