Hi, I just bought 2010 year old California, I am not sure but I think that there are some problems. I had filled my car and had 8 bars of 9 bars on the gas indicator, drove 60 miles and had left only 4 bars of gas. I drove my car using comfort and no crazy accelerating, using automatic mode. Also the car has sometimes ruff idle, almost the whole car shakes. Not sure if this is normal ?