GM Service Manual Online
For 1990-2009 cars only

Resetting Procedure

To reset the engine oil life monitor:

  1. Press and release the trip/reset button until the OIL LIFE message is displayed.
  2. Press and hold the trip/reset button until a chime sounds 5 times and RESET is displayed in the message center. When the system is reset, the odometer will again be displayed in the message center.
  3. Turn the key OFF.
  4. If the CHANGE OIL message comes back on when you start the vehicle, the system has not reset. Repeat the procedure.