Invention Grant
- Patent Title: Method for use with vehicle having selectable transfer case
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Application No.: US13112453Application Date: 2011-05-20
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Publication No.: US09358883B2Publication Date: 2016-06-07
- Inventor: Ian L. Hanna , John A. Turzewski
- Applicant: Ian L. Hanna , John A. Turzewski
- Applicant Address: US MI Detroit
- Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee Address: US MI Detroit
- Agency: Reising Ethington, P.C.
- Agent Lionel D. Anderson
- Main IPC: B60K23/08
- IPC: B60K23/08 ; B60W50/14

Abstract:
A method for notifying, indicating or otherwise alerting a driver when it may be desirable to switch to a different transfer case mode. According to an exemplary embodiment, the method uses one or more environmental and/or vehicle conditions to evaluate a current transfer case mode and to determine if it is the most preferable or optimal mode. If the current transfer case mode is not optimal, then the method may recommend that the driver manually switch transfer case modes by notifying or alerting them through a visual and/or audio message. In one example, the method recommends a transition from a four-wheel mode to a two-wheel mode, or vice-versa, with a visual message on an instrument panel gauge.
Public/Granted literature
- US20120293317A1 METHOD FOR USE WITH VEHICLE HAVING SELECTABLE TRANSFER CASE Public/Granted day:2012-11-22
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