Rover Seat

The 1-Seat is a large (2 slots) attachment that can be put on Medium Rovers, Large Rovers, and even Shuttles. While in the seat, players are able to operate whatever the seat is attached to.

There are two different 1-Seats in the game, however, their functions are interchangeable. Enclosed 1-Seats can be crafted on top of a Shuttle or a Large Shuttle while Open 1-Seats can be crafted either with a Printer or atop a Medium Rover or Large Rover.

Usage
Open 1-Seats can be lifted and placed atop a Medium Rover, Large Rover, Spaceship, and Shuttle. When targeting the seat, the user can hold E to enter the seat and begin operating the vehicle. If two seats are placed on the same vehicle, whoever enters the vehicle first assumes control of the vehicle. As of right now, seat orientation cannot be adjusted and the direction the seat is facing is assumed to be "forwards", so take special care not to hitch another vehicle facing the wrong direction.

Bugs/Glitches

 * A major glitch with the 1-Seat allows the player to travel across land very quickly. This bug is very easy too, all the player needs to do is pick up and enter a seat at the same time and wherever the camera is aimed, the seat will fly off in that direction while carrying the player. No oxygen is lost while doing this which makes it very useful, however, doing this is not advised as it can lead to the game crashing and/or lost save files.
 * Oddly, despite the existence of the Enclosed 1-Seat, you can place an Open 1-Seat on a Shuttle and fly it with that. It is unknown if this is intended.