Cameron Gulbransen Kids and Cars Safety Act of 2003 - Directs the Secretary of Transportation to: (1) evaluate devices and technologies to reduce child injuries and deaths occurring outside of parked motor vehicles in non-traffic, non-crash events or inside of parked vehicles when children are left unattended; (2) establish a database of, and collect data on, the number and types of injuries and deaths in such events; (3) evaluate technologies for detecting and preventing collisions with individuals and objects behind motor vehicles; (4) prescribe safety standards to require devices for detecting individuals and objects behind motor vehicles; and (5) prescribe safety standards for power windows and power sunroofs, including requirements for child-safe switches and auto reverse technology.