Click on the ArchBlocks Sedan Set ribbon button under Add-ins tab or open the Tool Palettles under View tab in AutoCAD.
Right click and select the ArchBlocks Sedan Set palette and insert the blocks.

These AutoCAD block libraries also come as standard .DWG file with block references in them. You can access this content via Design Center Palette in the below location 
%AppData%\Autodesk\ApplicationPlugins\ArchBlocks Sedan Set.bundle\Contents\windows.

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.

You may need to restart the Autodesk product to activate the app/plug-in.

To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8/8.1/10) and uninstall as you would any other application from your system.

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