.Turn the power witch under the car to "OFF" 2.As shown In diagram,open the bodysuit 3 Install the battery remove the battery cover should be as shown In diagram sequence. Install 4 X "AA" batteries with the compact polarity,then close the battery cover and the body shell. 4 Close the power, Insert the charger faucet Into the charge hole of under the narc this weather rechargeable batteries of car can archangel.