12V BATTERY 12V BATTERY In addition to the high voltage system, Model S has a low voltage system. Its 12 volt battery operates the SRS, airbags, windows, door locks, touchscreen, and interior and exterior lights. The DC-DC converter in the high voltage system supplies the 12 volt battery with power to support low voltage functions, and the 12 volt battery supplies power to the high voltage contactors, allowing high voltage current to flow out of the high voltage battery. The 12 volt battery, outlined in red, is located under the hood and the plastic access panel. NOTE: The following image shows a Dual Motor vehicle. Vehicles without a front drive unit are similar. Electric Vehicle Components 11