JONNESWAY Brake Fluid Tester

- Ready for breake fluid test. Unscrew the brake fluid reservoir, and pull of the cap of the brake fluid tester. Dip the test probes into the brake fluid up to the plastic rim of the device. - To check fluid quality. Press the button for power on green LED will light up. Insert the tester into reservoir for one second then the test result will be correctly indicated by LED's. The tester will automatically power off after 12 second of inactivity. - Product labelling indication. Green : battery ok, i.e : no water contained in the brake fluid. Yellow : Less than 1% of water contained in brake fluid. Yellow/yellow : approx 2% of water content in brake fluid. Yellow/yellow: approx 3% of water content in brake fluid. The brake fluid should be changed. Yellow/yellow: At least 4% of water content in brake fluid. The brake fluid must be changed urgently! Extreme danger! Battery (incl): one 1.5V, type AAA.