GM Service Manual Online
For 1990-2009 cars only

Description

The engine oil life monitor will indicate when to change the engine oil and the engine oil filter - usually between 5 000 km (3,000 miles) and 12 500 km (7,500 miles) since the last oil change. Under severe conditions, the CHANGE OIL message may be displayed before 5 000 km (3,000 miles). The vehicle must not be driven more than 12 500 km (7,500 miles) or 12 months without an oil change.

The engine oil life monitor will not detect dust in the oil. If the vehicle is driven in a dusty area, be sure to change the oil every 5 000 km (3,000 miles) or sooner if the CHANGE OIL SOON message or the CHANGE OIL NOW message is displayed.

Reset the oil life monitor when the oil has been changed.

Resetting Procedure

  1. Turn the ignition to RUN.
  2. Press the ENG button on the DIC control panel until the OIL LIFE percentage appears.
  3. Press and hold the RESET button for more than 5 seconds.
  4. The word RESET appears.

    Then the message OIL LIFE 100% appears.