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  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...
  2. New novel problem with Driver information Center in XT4

    Cadillac XT4 1st Generation Forum (2019+)
    I think I have discovered a novel problem in my car's driver information center.(DIC) It is temperature sensitive. I have a short 15 minute commute. The DIC works perfectly every morning. But on the way home after the car has baked in the sun, the middle three functions (sound, nav and phone) no...