GM Service Manual Online
For 1990-2009 cars only

Base Audio System

Follow this procedure to reset the GM Oil Life System ™:

  1. Press the up or down arrow on the INFO button located to the right of the Driver Information Center (DIC) display to access the DIC menu.
  2. Once 100% ENGINE OIL LIFE menu item is highlighted, press and hold the CLR button.
  3. The percentage will return to 100 and the oil life indicator will be reset.
  4. Repeat the steps if the percentage does not return to 100.

Navigation System

Follow this procedure to reset the GM Oil Life System ™:

  1. Turn the system on by pressing the PWR/VOL knob once. The PWR/VOL knob is located to the lower left of the DIC display.
  2. Press the INFO button located to the left of the display to access the Vehicle Information menu.
  3. Turn the TUNE/SEL knob located to the lower right of the display until Engine Oil Life is highlighted. Press the knob once to select it.
  4. Once the 100% Engine Oil Life is displayed, press the multi-function button next to the Reset prompt in the upper right corner of the display.
  5. The percentage will return to 100 and the oil life indicator will be reset.
  6. Repeat the steps if the percentage does not return to 100.