Circuit/System Description
WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid drive motor battery has two venting systems. One for battery air cooling and one for venting of the hybrid batteries themselves. The exhaust air from hybrid drive motor battery cooling is routed through a duct and into the floor panel of the vehicle.
The hybrid batteries vent system connects all the battery vents to a rubber manifold that exits the hybrid drive motor battery through a single hose and is vented through the floor panel of the vehicle.