EVT Mode Reverse - Engine Off: Notes
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
When the transmission is operating in EVT Mode Reverse (R), and the HCM determines that operating conditions are appropriate, the internal combustion engine is turned OFF, the auxiliary fluid pump is turned ON, and the TCM commands the following changes to the transmission's hydraulic and electrical systems.