Gm Global Technolgoy Operations, Inc.

Tony Wingett

Brandon R Jones

Margaret C Richards

Cody D Berman

Matthew S Stout

Ryan M Ashby

A system of selecting charging modes for a rechargeable energy storage unit in an autonomous device includes a controller having a processor and tangible, non-transitory memory on which is recorded instructions. The controller is configured to determine availability of at least one charging station and at least one parking lot through a survey of local charging infrastructure and local parking infrastructure, respectively, within a predefined radius of the autonomous device. The controller is configured to determine if it is cost-effective during an excursion to incur a charging fee at the charging station or incur a parking fee at the parking lot. If it is cost-effective to incur the charging fee, then the controller is configured to selectively employ at least one of a plurality of charging modes, including an open-ended charging mode and a defined departure charging mode.

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Ortonville, MI, United States of America

Tony Wingett