The Genuine Volvo Climate Control Module Bulb (S40 V40) - 30612503 is a replacement bulb for the climate control module in Volvo S40 and V40 vehicles. This bulb is an essential component for the proper functioning of the climate control system, as it provides illumination for the control panel and allows the driver to adjust the temperature and fan settings. This genuine Volvo product is designed to fit perfectly and provide reliable performance, ensuring that your climate control system continues to operate smoothly.