Workshop Repair and Service Manuals GMC SIERRA

Engine Oil Life System


The engine oil life system calculates engine oil life based on vehicle use and, onmost vehicles, displays a DIC message when it is necessary to change the engine oiland filter. The oil life system should be reset to 100% only following an oil change.

Resetting the Oil Life System

To reset the Engine Oil Life System on most vehicles:

Display OIL LIFE REMAINING on the DIC. If the vehicle does not have DIC buttons, the vehicle must be in P-(Park)to access this display.Press and hold the SET/RESET button on the DIC, or the trip odometer reset stem if the vehicle does not have DICbuttons, for more than five seconds. The oil life will change to 100%.

On all vehicles, the Engine Oil Life System can be reset as follows:

Turn the ignition to ON/RUN with the engine off.Fully press the accelerator pedal slowly three times within five seconds.Display OIL LIFE REMAINING on the DIC. If the display shows 100%, the system is reset.

SeeEngine Oil Life System.

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