Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Pontiac Grand Prix GTPFACTORY OEM SERVICE PROCEDURE
Oil Life System: Regal
Without Driver Information Center (DIC)
- Turn ignition on, with engine off.
- Fully press and release the accelerator pedal slowly 3 times within 5 seconds.
- If the CHANGE OIL SOON light flashes, the system is resetting.
- Turn ignition off.
- Start vehicle.
- The oil life will change to 100 percent.
- If the CHANGE OIL SOON light comes back on, the system has not reset. Repeat reset procedure.
With Driver Information Center (DIC)
- Put the oil life display on, with engine off.
- Press the DIC RESET button for 5 seconds.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.