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miles per gallon

  1. Gained 8 MPG

    Cadillac XT5 First Generation Forum (2017+)
    My "mpg since the last reset" gauge has always read 18.4 but has gradually gone down since I started using remote start, This didn't seem very good and I didn't get the bumps I'd expect after an I-405 trip. But somebody posted re the "Efficiency Gauge" and, while efficiency seems like a concept...
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