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.
2021 Infiniti QX50 Autograph, 4WDFACTORY OEM SERVICE PROCEDURE
Work Procedure
- START
- Turn ignition switch ON.
- Check information display of the combination meter.
Is Distance to Engine Oil Change displayed?
YES
GO TO 3.
NO
GO TO 2.
- SELECT OIL CONTROL SYSTEM MODE
Push the Display next switch and select oil control system mode.
GO TO 3.
- RESET ENGINE OIL DATA
- Press and hold the Display Next switch at least 1 second while Distance to Engine Oil Change is displayed.
- Stop pressing the Display Next switch, and a few seconds later, check that the value of Distance to Engine Oil Change is reset.
END
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.