My Background.
Test Engineer for GM in Flint MI for nearly 14 years.
Test engineer for Whirlpool Corp in Benton Harbor MI for 20 years.
I tested it in my driveway one Saturday 5 runs and it locked 3 times.
Rode around the block removed the keys and put them on the hood. Confirmed the door...
LAte 70's I took a vacation in Mexico and kept seeing those little 4 door trucks and wanted one bad. Mid 80's the S-10 extended cab and maybe a few 4 doors but they were hard to find.
Platform with attachment points to replace the back seat for tool boxes and organizers even dog crates. Maybe power outlet and small water tank for cleaning up or pet water. Modular.