- Please remove the car keys before stop the battery power supply.
- Connect KA-3570 Uninterruptible Power Supply(OBD Ⅱ16pin) to OBD Ⅱplug. Observe if KA-3570 illuminate one light to ensure they are firmly connected.
- Connect the power supply with 12V power, and KA-3570 would illuminate two lights. If the RED light illuminates, the power supply is under 7.5V±0.5. Please do not change batter at the stage.