Day/Night Rearview Mirror (if equipped)

Make adjustments before driving, with the mirror in the day position.
Pull the day/night lever toward you to reduce glare from the headlights of vehicles following you at night.
Note that in night mode the image reflected by the mirror is darkened.
Electrochromic Rearview Mirror (if equipped)
The electrochromic rearview mirror automatically controls glare from the headlights of vehicles behind you when driving at night or in low light conditions.
With the engine running, the sensor in the rearview mirror automatically adjusts the brightness. It detects the ambient light level around the vehicle to control glare from the headlights of vehicles behind you.
When the shift lever is in the R (Reverse) position, the mirror automatically returns to maximum brightness to improve the driver's view of the area behind the vehicle.

To operate the auto-dimming mirror:
• Press the ON/OFF button (1) to turn off the auto-dimming function. The mirror indicator light turns off.
Press the ON/OFF button (1) to turn on the auto-dimming function. The mirror indicator light turns on. • By default, the mirrors are activated when the ignition or the Engine Start/Stop button is in the ON position.
Test yourself
A quick Hyundai Tucson quiz: every answer comes with an explanation and a link to the manual page.