The first use (or replace the battery) need to matching frequencyProduct is Applied to Specific Children Riding Toys,Please Make Sure the Purchased Part Has Same Appearance as the One.Step 1. Install two AAA 1.5V batteries(not included), (note the positive and negative polarity inside the battery chamber), and finally close the battery cover, indicator will flash three times indicates that the battery is installed correctly.Step 2. Press and hold the frequency key(car select) for about 2 seconds and the indicator will flashStep 3. Turn on the power supply of the car and the indicator will turn offStep 4. If the matching frequency is unsuccessful (indicator not turn off), please turn off the power supply and repeat steps 2 and 3.Type:A:Blue ControlColour:White & BlueMaterial:PlasticPackage Contents:1 * Children's Electric Car Remote Control