A WARNING: | REMOTE CONTROLLED VEHICLE INSTRUCTION MANUAL INSTALLING THE BATTERIES | HANDSET: 1. Switch the power to the “OFF” position 2 Use a screwdriver to open the battery compartment cover at the back of the handset. 3. insert 2 x AA {1.5V) batteries as marked in the battery compartment. 4. Replace the battery cover & tighten the screw securely. VEHICLE: 1. Swish the power to the "OFF" position 2. Use a screwdriver to open the battery compartment cover at the bottom of the vehicle 3. Insert x AA {1.