Batteries must not be recharged. Accumulators must be removed from the toy before charging. Accumulators must only be charged under adult supervision. Different types of batteries or accumulators or new and used batteries or accumulators must not be mixed. Batteries and accumulators must be inserted respecting the polarity. Used batteries and accumulators must be removed from the toy. The terminals of a battery or accumulator must not be short-circuited. Do not attempt to open batteries or accumulators. Do not throw batteries into a fire, they may explode or leak liquid. Batteries must be changed by an adult. Always remove batteries or accumulators when the toy is not used for a long period of time. Dispose of used batteries in recycling containers provided for this purpose.