Do it yourself
Frequently asked questions about cars and motorcycles

How to Reset the MMT Gearbox on the Toyota Yaris?

Model: Toyota Yaris Xp90 - Years 2005-2011
Part: Warning light – error code

To reset the automatic gearbox on the Toyota Yaris MMT, turn the key to switch on the instrument panel, ensuring that the warning light indicating a fault in the automatic gearbox appears. To make this light disappear and unlock the gearbox, press the clutch pedal and apply some pressure on the brake pedal. This way, you can turn the key counterclockwise and switch off the instrument panel: when you turn it back on, the warning light will have disappeared, and you will be able to use the automatic gearbox, which will now be unlocked.

Updated on 11 June 2026 by ScegliAuto

Video tutorial

Related tutorials

Toyota Yaris (2011-2019 / Xp130) The semi-automatic MMT gearbox of a Toyota Yaris, after a certain number of miles (50,000, which is about 80,000 km), must be recalibrated, otherwise…
Toyota Yaris (2005-2011 / Xp90) In this guide, we will see the steps that will allow us to reset and recalibrate the automatic transmission MMT of the Toyota Yaris. First of all, ge…
Toyota Yaris (2005-2011 / Xp90) To reset the automatic transmission MMT of the Toyota Yaris, you will need to turn the key to turn on the instrument panel, making sure that the warn…

Other guides you may be interested in

    Frequently Asked Questions

    • Yaris 2005-2011 - What does the Cool light on the Toyota Yaris mean? Read answer
    • Yaris 1999-2005 - What does the "engine failure" light on my Toyota Yaris mean? Read answer

How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

Watch the video!


by ScegliAuto

More videos