Caboose Components
To add a career manager, it must be placed under an object named [persistent interior], which is itself in the main prefab of your vehicle.
The career manager itself is just an empty script, and a preview of the model will be drawn.
This one can be placed on either the interior or interactables. Just like the career manager, it is an empty script that draws a preview of the model.
A bed can be created from the context menu at CCL > Add Bed. This will create the necessary setup.
The pillow should be placed where the player's head will be during sleep, and the Highlight Tag Proxy script should be filled with your bed mesh. Adjust the collider to match the top of the bed too.