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♥this meter have adjustable potentiometer , it can't the same time use with original car oil scale

♥Fill Up the Tank, adjust the potentiometer until the led meter all bright , and until don't have any oil in tank adjust the meter led all crush out .

♥Red light is power supply Indicator light ,the yellow Turn off mean no oil , 5-6 is bright together the other one by one bright

♥Must cooperate with oil sensor (float).Cannot be used together with the original oil scale.