GM Service Manual Online
For 1990-2009 cars only

GM Oil Life System Resetting Example

Resetting Procedure

Follow this procedure to reset the GM Oil Life Systemâ„¢:

  1. Turn the ignition ON, with the engine off.
  2. Press the TRIP button so the OIL LIFE percentage is displayed.
  3. Press RESET and hold for two seconds. OIL LIFE REMAIN 100% will appear.