Based on the engine operating conditions, the onboard computer in your vehicle calculates the remaining oil life in the United States and Puerto Rico. The wrench indicator light in the instrument cluster will be illuminated when remaining oil life becomes less than 1,000 km (600 mile), or remaining days are less than 15 (whichever comes first).
The system must be reset whenever replacing the engine oil.
Reset method
Press and hold the dashboard illumination knob with the ignition switched off, then switch it on. Keep pressing the dashboard illumination knob for more than 5 seconds. The master warning light will flash for a few seconds when the reset is completed.

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