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How to start the engine of the Peugeot 308 with the energy saving warning.

Model: Peugeot 308 P5, MK 3 - Years: 2021, 2022, 2023, 2024, 2025, 2026
Part: Checks and maintenance

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Video tutorial

In this guide we will see the instructions that will allow us to start the engine in case of emergency when the energy saving warning of the Peugeot 308 appears, which allows us to save the battery with the engine off. First of all, we get on board the car and start by bringing the physical key to the left side of the steering wheel cap; then we start the engine by pressing the button on the dashboard, as shown in the video.

This way the energy autonomy warning will disappear, as the battery will resume normal charging through the engine running.


Posted on 7 July 2025 by ScegliAuto


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