sunroof

/ˈsʌnruːf/
noun
  1. A panel in the roof of a car that can be opened to let in air and light.
    • The car comes with a large glass sunroof that makes the cabin feel brighter.
    • He reached up and slid the sunroof closed as the rain started.
    • She opened the sunroof to enjoy the fresh air on the highway.