Chevrolet managed to shove the Bolt onto the Sonic's production line without mucking anything up.

Caption by / Photo by Andrew Krok/Roadshow

Bolt bodies run through the same panel-welding robots as the Sonic.

Caption by / Photo by Andrew Krok/Roadshow

Here are some gratuitous pictures of sparks, because that's about as interesting as vehicle manufacturing gets.

Caption by / Photo by Andrew Krok/Roadshow

Chevrolet wouldn't let us get any closer to the robots. Something about dying or being mangled.

Caption by / Photo by Andrew Krok/Roadshow

The Bolt and Sonic move down all the same lines throughout the Orion facility.

Caption by / Photo by Andrew Krok/Roadshow

Here, Bolt batteries run on automated carts, which knows when to slot these batteries into the line of Sonics.

Caption by / Photo by Andrew Krok/Roadshow

Everything moves together pretty seamlessly, albeit slowly.

Caption by / Photo by Andrew Krok/Roadshow

This is the marriage portion, where the battery becomes an integral portion of the chassis.

Caption by / Photo by Andrew Krok/Roadshow

The robots do most of the work, but it's up to humans to actually put the two pieces together.

Caption by / Photo by Andrew Krok/Roadshow

The robots do most of the heavy lifting, which is probably great for the UAW's healthcare costs.

Caption by / Photo by Andrew Krok/Roadshow

It would be pretty easy to figure out if the line made an error and tried to put a Bolt battery into a Sonic.

Caption by / Photo by Andrew Krok/Roadshow

This is already pretty far into the manufacturing process, but I wasn't allowed to photograph the whole thing from start to finish.

Caption by / Photo by Andrew Krok/Roadshow

That's a good thing, because then I'd be able to go off and manufacture my own Bolts. Or something like that.

Caption by / Photo by Andrew Krok/Roadshow

A giant mechanical arm swings the tool into place so that the worker can, uh, bolt the battery in.

Caption by / Photo by Andrew Krok/Roadshow

After that part of the process, the vehicles move farther down the line where the powertrain is bolted in.

Caption by / Photo by Andrew Krok/Roadshow

Again, the Bolt components ride on separate lines that merge together with the Sonic parts at just the right time.

Caption by / Photo by Andrew Krok/Roadshow

The bottom part carries the subframe, suspension components and the electric drive units.

Caption by / Photo by Andrew Krok/Roadshow

I hope you like lots of orange wires, because that's the future of underhood engine porn.

Caption by / Photo by Andrew Krok/Roadshow

When I say everything slowly comes together, I do mean slowly.

Caption by / Photo by Andrew Krok/Roadshow

But if it were any faster, there'd be greater chance for error, which would impact both the automaker and the customer.

Caption by / Photo by Andrew Krok/Roadshow

Thankfully, a slow-moving line means plenty of opportunities to snap pictures.

Caption by / Photo by Andrew Krok/Roadshow

Just a little higher and we're almost there.

Caption by / Photo by Andrew Krok/Roadshow

Once everything's pieced together, the car runs down the line and is both programmed and tested extensively.

Caption by / Photo by Andrew Krok/Roadshow

After slapping the wheels on, a final conveyor belt rolls the cars to where workers will hop in and drive off.

Caption by / Photo by Andrew Krok/Roadshow

From here, the cars are taken to special racks that tune exterior cameras, level headlights and align the suspension.

Caption by / Photo by Andrew Krok/Roadshow

It's almost ready for the customer at this point.

Caption by / Photo by Andrew Krok/Roadshow

And that's it! One more Bolt, off to dealerships, hopefully before the end of the year.

Caption by / Photo by Andrew Krok/Roadshow
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