The phrase "automatically lights" is correct and usable in written English.
It can be used when describing a feature or function that causes something to illuminate without manual intervention.
Example: "The sensor automatically lights the pathway when it detects movement."
Alternatives: "turns on automatically" or "lights up on its own.".
It also detects any movement in the dark, automatically lighting the way with a discreet nightlight.
More astonishing still, as one's hand approaches the screen, control buttons automatically light up because of a camera hidden behind the display.
It's automatically lit by a set of LEDs and all you have to do is raise the lights when the plants get too high.
Anytime the user was viewing content that could be shared on Facebook (be it a photo, a video, or a website), the button would automatically light up.
LinkedIn could add even more value for salespeople by automatically lighting up all the right prospects tailored for their business, and offering one-click actions so they could easily reach out to them with the best personalized offers.
The intrepid researchers at MIT never fail to impress, and a new system they've designed that uses fleets of drones to automatically light a shoot for photographers is no exception.
LinkedIn could add even more value for salespeople by automatically lighting up all the right prospects tailored for their business, and offering one-click actions so they could easily reach out to them with the best personalized offers.
The global illumination algorithm in the Unreal Engine is used to automatically produce lighting illumination scenes and calculate detailed shadows at runtime.
Users can set the mood using an iPhone -- that means study time will automatically brighten lights and put on some inspirational music, while party mood will dim lights and automatically setup the playlist for the night.
