Light Indicator Explanation:
1.Green: Battery okay, no water content in the brake fluid.
2.Green/yellow: water content of < 1%, brake fluid to be used.
3.Green/yellow/yellow: Water share = about 2%, brake fluid to be used.
4.Green/yellow/yellow/red: Water content = approx. 3%, replacement is recommended.
5.Green/yellow/yellow/red/red: Water content > Min. 4%, the fluid must be replaced immediately
