Reverse EV Mode Engine Off: Notes
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
When the gear selector lever is moved to the Reverse (R) position (from the Park position), and the internal combustion engine (ICE) is OFF, the following steady-state conditions exist in the transmission's hydraulic and electrical systems.