And while we haven't heard much about the General Motors fleet-only crossover since its debut a little over one year ago, it's making headlines now because of a potentially faulty parking brake.

It couldn't carry a lot of people. It had no armor. Narrator: So the Pentagon gave AM General a billion-dollar contract to develop a fleet of High Mobility Multipurpose Wheeled Vehicles.

General Motors, founded in 1908, was the second-largest automaker by revenue in the U.S. in 2023. It manufactures cars, trucks, SUVs, crossovers, and commercial vehicles, for its Buick ...