under paragraph (2) in accordance with such paragraph. (B) Independent study (i) In general Under an agreement between the Secretary and an independent third party under this paragraph, the independent third party shall carry out a study on retrofitting existing passenger motor vehicles with technology to address the problem of occupants left unattended in motor vehicles. (ii) Elements In carrying out the study required under clause (i), the independent third party shall— (I) survey and evaluate a variety of methods used by current and emerging aftermarket technology or products to solve the problem of occupants being left unattended in the vehicle or occupants gaining access to the vehicle independently