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Method and system for cabin heating

  • US 8,403,811 B2
  • Filed: 04/12/2010
  • Issued: 03/26/2013
  • Est. Priority Date: 04/12/2010
  • Status: Active Grant
First Claim
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1. A method of operating a vehicle engine coupled to a transmission, comprising,during a vehicle stopped condition,grounding the transmission to a frame of the vehicle, the transmission grounded in response to a cabin temperature;

  • andincreasing engine output with the transmission grounded to generate increased waste engine heat.

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