The secret car button that almost no one knows about and is key to driving at night

By understanding and using this rearview mirror feature, drivers can turn a common nuisance into a practical safety advantage. Reducing glare not only lessens eye strain, it also helps preserve better night vision for spotting road hazards, pedestrians, and changing traffic conditions. When paired with good habits—like maintaining clean glass surfaces and using proper headlight settings—this small action contributes to a safer, more confident experience behind the wheel.