Clear, in a way, as a windshield

DEFOG

Think of what you might do to improve visibility when condensation builds up on glass, especially before driving. The word starts with removing something unwanted.

Clear, in a way" hints at removing something that blocks visibility, like fog from a windshield. The word "defog" literally means to clear fog, making it a direct fit—both as a verb and a playful nod to how windshields get wiped clean. The clue avoids tricky wordplay, relying instead on the straightforward meaning of the answer.