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How to Activate "Maintenance Mode" on a Toyota Hybrid

Model: Toyota Yaris MK 4 - Years: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Part: Instrument cluster

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Video tutorial

In this guide, learn how to activate "maintenance mode" on a Toyota Yaris Hybrid, which disables the electric motor while keeping the petrol engine running. This is useful for emissions testing or checking the petrol engine.

It is not for normal driving, as it disables the hybrid system! Start the car and put it in "ready". The engine should not be completely cold, the air conditioning must be off, and the gear lever should be in "P". Allow the S1 phase to complete, turn off the dashboard, then press the "power" button twice while fully pressing the accelerator pedal twice.

Press the brake and shift to "N". Now press the accelerator fully twice and press the brake again, then shift back to "P". Repeat pressing the accelerator fully twice.

At this point, the display will show "Maintenance mode", and all warning lights will illuminate. Press the brake and then the power button.

The car will now run only on the petrol engine. If you turn it off, it resets back to hybrid mode.


Updated on 2 August 2026 by ScegliAuto


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by ScegliAuto

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