The screen on the infotainment system is too bright. Driving home at night is very difficult. Where can I turn down the brightness of the screen?

There is an interior dimmer switch on the left side of the steering wheel, yours might be different, I have a Chevy spark. It looks like it should roll but it doesn't just press it up or down, up for bright down for dim

There should be a setting for display brightness in the settings tab. What kind of vehicle and year