How to perform cadillac xts oil reset?

To reset the oil service light in a Cadillac XTS close the doors and make sure the vehicle is in park. Next, insert the key into the ignition and turn it to the "ON" position. Push the right arrow button on the steering wheel to select the right menu. Scroll down until You see the remaining oil life. Push and hold the "SEL" button until the oil life is reading 100%. Finally switch the ignition back to the "OFF" position to complete the reset. The oil light will come on when the computer detects that enough miles have been driven and the oil needs to be changed, which can cost between $118 and $132, of that, between $30 and $50 is for labor costs.