GM Service Manual Online
For 1990-2009 cars only

Resetting The Oil Life Monitor

Important: Repair any TP or APP sensor DTCs before proceeding with the reset procedure.

  1. Turn On the ignition leaving the engine OFF.
  2. Cycle the Accelerator Pedal from a closed throttle to a wide open throttle (WOT) 3 times within 5 seconds.
  3. Change the engine oil and the oil filter.