TROUBLESHOOTING GUIDE Vehicle wort go or steer. Battery pack not charged. Was battery pack war when you removed it from the charger after 4 ours? If so, it probably did take a charge. If battery pack is cold tare charging, it fic not take a charge. Pull battery out of charger, reinsert firmly. An adult should test the wall outlet with 2 lamp or other appliance to make sure it 1s working. Power switch on vehicle is off. Thelma protection circuit on vehicle has shut it down temporarily to avoid damage.