I like how this explains the details for those who didn’t know.
TLDR: Turn your lights on manually in rain, snow or fog to make your car more visible as it activates your rear lights.
As we begin to enter winter weather please remember this important driving tip: The automatic headlight control in vehicles detects brightness outside the vehicle with an Illuminance sensor which activates when light picked up by the sensor drops below a certain level. This does not activate because…