How do I turn down the brightness on my dashboard?
Adjust the dimmer switch
If your car has a dimmer switch, you can use it to adjust the brightness of your dash lights. Most dimmer switches are specially for the headlights, but you can also use them to adjust the brightness of your dash lights. To adjust the dimmer switch, simply turn it to the desired setting.
How do you dim the screen on a 2022 GMC Sierra?
On the left hand side where the headlight knob, tow selection knob and 4 wheel drive selections buttons are, there are also two push buttons. I think they are the two above the headlight knob. One increases the dash lights/touch screen and the other dims it.
How do I turn the brightness down on my GMC Terrain?
The knob for this feature is on the instrument panel beside the steering column. Push the knob in all the way until it extends out and then turn the knob clockwise or counterclockwise to brighten or dim the lights.