examine the engine. It all seems to be intact, and he places his hand on the battery, not in any special way, just rests his palm onto it where the black cable connects to the pin.
The engine starts suddenly, and he closes the bonnet by dropping it down hard. Then simply climbs in, reverses, and turns to face in the opposite direction. With a last look back towards the flames, he shakes his head and presses down on the accelerator.