The vehicle may have this feature.

The control is located on the driver's door.

Turn the knob counterclockwise or clockwise to adjust the driver's or passenger's mirror so that you can see a little of the side of your vehicle. After adjusting the position of the mirrors, turn the knob to the center position so that the mirrors cannot move.

If the travel position in any direction of the mirror is reached, it will enter a ratcheting mode. This action is harmless. It is a warning that the mirror can go no further. To stop this action, back the mirror up by moving the knob in the opposite direction.