Question

at night, use _____ on your rearview mirror.
night view
windshield wiper fluid
the hands - free setting
cleaning solution

Explanation:

Night - view mode on a rear - view mirror reduces glare from headlights of vehicles behind at night, making it a useful feature for night driving. Windshield wiper fluid is for the windshield, hands - free setting is related to communication systems, and cleaning solution is for general cleaning and not specifically for night - time rear - view mirror use.

Answer:

night view