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How to reset the engine warning light without a computer

Model: (Various brands) Various
Part: Warning light – error code

Video tutorial

In today's tutorial video, you will see how to reset the engine warning light without the aid of special tools or equipment such as a diagnostic tool, on a generic car; note that this procedure may not work on newer vehicles. To reset the engine warning light, simply disconnect the negative terminal of the battery; to do this, open the bonnet and unscrew the nut of the terminal (usually with a 10 mm spanner).

At this point, keep the battery disconnected for about ten minutes, so the ECU resets; then check the reset of the warning light!


Updated on 9 June 2026 by ScegliAuto


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How to Remove the Rear Seat of a Hyundai Tucson?

To remove the rear seat of a Hyundai Tucson, follow these steps. Start by moving the front seats to their most forward position to gain space. Next, locate the release lever on the underside of the rear seat, near the floor. Press this lever down while pulling the seat upwards to unlock it from the anchor pins. Once unlocked, tilt the seat upwards and forwards to remove it from its position. Repeat this process for both sides of the rear seat. Be careful of any electrical cables or components that may be connected to the seat during removal. Once the rear seat is removed, the disassembly is complete.

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by ScegliAuto

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