While sitting in a comfortable driving position, adjust the mirror so you can see clearly behind your vehicle. Grip the mirror in the center to move it up or down and side to side. The control at the bottom of the mirror is the day/night feature that allows adjustment to the mirror so that the glare of headlamps from behind is reduced. Push the control for daytime use; pull it for night use.
When you are sitting in a comfortable driving position, adjust the mirror so you can see clearly behind your vehicle. Hold the mirror in the center to move it up or down and side to side. The day/night adjustment allows you to adjust the mirror to avoid glare from any headlamps behind you. Push or pull the tab for daytime/night use.