Maybe with FSD (Full Self Driving) he could sit in the driver's seat.
The front seat has potential for 3 people to sit (like the old trucks) but the CT has the pull down arm rest that would likely allow your dog to lean over it.
https://images.app.goo.gl/WdRYsfo2pWgjh6fp8
The stainless steel full frame incorporated into the body is genius. The redesign to allow the Frame/Body to be folded together (with very few welds) made the shape of it necessary, then the aerodynamics worked out to be a low profile to bring in a drag coefficient of possibly 0.30 at 60MPH...