Layers
You can view and manage layers in the Layers panel.
To turn a layer on or off
With the Layers panel active, click the light bulb icon to the right of the layer name.
To change the color of a layer
With the Layers panel active, click the color icon to the right of the layer and choose a color from the palette.
You can choose from the colors that are already in the drawing, or from the colors available in the AutoCAD color index.
To create a new layer
Click Create new below the list of layers.
To lock a layer
Click the lock icon to the right of the layer name.