1. Perform the oil change: This is the crucial first step. Change your oil and filter according to the owner's manual recommendations (usually every 3,000-5,000 miles or as indicated by the oil life monitoring system).
2. The reset is automatic (most likely): Once the oil is changed and the engine is running, the oil life monitoring system will usually automatically reset itself after a few ignition cycles (starting and stopping the engine). This is the most common way this system works in these vehicles. The light should turn off after driving a short distance.
3. If the light remains on: If the light stays on after a few drives, the system might not have properly reset. There is no specific manual reset procedure commonly documented for this model. You may need to consult a repair manual specific to your 2001 Chevrolet Venture, or take it to a mechanic to diagnose any potential issues with the oil life monitoring system itself. A faulty sensor or other problem might prevent it from resetting.
In summary: The key is to perform the oil change. The light is designed to turn off automatically afterward. If it doesn't, there may be a problem beyond a simple reset.