EE RRS 1. Remove the battery cover on the bot tarn of the transmitter and insert Screw driver 6 x18V AA batteries info compartment and replace the battery cover. Transmitter 2. Remove the battery cover on the bottom of the car. Install the battery pack by connecting the wire pig from the car to the wire plug on the battery pack. insert the battery pack into the bottom of the car and replace the battery cover. (NOTE: When unplugging, do not pull on wires, as they may come loose from the plug connectors.) 3.