markopolo-ClassB
Senior Member
Straight from the Chevy Express 2004 Owners Manual.
How to Reset the Change Engine Oil Light
The GM Oil Life System calculates when to change your engine oil and filter based on vehicle use. Anytime your oil is changed, reset the system so it can calculate when the next oil change is required. If a situation occurs where you change your oil prior to a Change Engine Oil light being turned on, reset the system.
To reset the Change Engine Oil light, do the following:
How to Reset the Change Engine Oil Light
The GM Oil Life System calculates when to change your engine oil and filter based on vehicle use. Anytime your oil is changed, reset the system so it can calculate when the next oil change is required. If a situation occurs where you change your oil prior to a Change Engine Oil light being turned on, reset the system.
To reset the Change Engine Oil light, do the following:
- 1. Turn the ignition key to RUN with the engine off.
- 2. Fully press and release the accelerator pedal slowly three times within five seconds.
- 3. If the Change Engine Oil light flashes for five seconds, the system is reset.
- 4. Turn the key to LOCK.
