The Liqui Moly Maintenance Service Kit - 136998 is a comprehensive kit designed to provide essential maintenance for a car. It includes six different products to ensure the proper functioning and longevity of the vehicle. The kit contains an engine oil additive, a fuel system cleaner, a radiator cleaner, a brake system cleaner, a windshield washer fluid, and a multi-purpose spray. These products work together to improve engine performance, clean and protect the fuel system, remove build-up in the radiator, maintain brake efficiency, and ensure clear visibility through the windshield. This kit is suitable for all types of cars and can help maintain the overall health of the vehicle.