This Lexus Active Height Control Suspension fluid is specially formulated for height control systems Made by Toyota in Japan, it keeps your vehicle's suspension operating smoothly for a comfortable ride. The advanced formula lays down a protective film on metal surfaces to prevent corrosion, while still flowing freely through tight tolerances. Use this fluid to top off or refill your Lexus height control reservoir for optimized performance. It maintains precise ride height adjustments under all driving conditions. Changing your fluid regularly is important to prevent leaks and costly repairs down the road. This 2.5 liter bottle contains enough for most refill needs.