How To Use ?
1. Install 2 AAA 1.5v batteries at the back of brake fluid tester.(battery not included)
2. After inserting the battery, press POWER button to turn on the tester, the LCD display lights turn on indicates the product self-test is successful.
3. Press MENU button,it will recycle from DOT3 to DOT4 to DOT5.1 on the display. Select the brake fluid model of your vehicle.
4. Put the goose neck probe into the brake fluid and see the data on the display.
5. According to results to find out the status of brake fluid.