During the shootout at the warehouse, the team use the car as protection from the shooters. It would serve as visual cover but the bullets from the shooters can easily penetrate the roof and door skins of the car, hitting whoever is behind them.
At the airport, Novak was shot in the chest in a shootout. He attempted to escape in a plane, but when it couldn't take off, he climbed out without any gunshot wound.
During Hondo's telephone conversations with Novak, SWAT doesn't try once to trace the location of the cell phone he is using, although they frequently do this in other stories.