V3, with ignition on, press the level button so the green light comes on, take keys out of ignition, as long as the light is still on, the truck will stay level as long as there is air in the tanks.
V3, with ignition on, press the level button so the green light comes on, take keys out of ignition, as long as the light is still on, the truck will stay level as long as there is air in the tanks.