Do it yourself
Frequently asked questions about cars and motorcycles

Issues with the CVT transmission of the Toyota Yaris Hybrid.

Model: Toyota Yaris MK 4 - Years 2020-2026
Part: Transmission

The CVT (Continuos Variable Transmission) K111 installed on the latest generation Yaris is considered one of the most reliable and long-lasting on the market, but like all mechanical components it can have problems, and the main cause is almost always old or contaminated transmission fluid. Even aggressive driving with sudden and continuous accelerations puts a lot of stress on the metal belt and pulleys, accelerating their wear. The CVT fluid is very sensitive to heat, so intense use without adequate cooling (e.g. towing, long uphill climbs with a full load) can quickly degrade the fluid and damage internal components. To prevent problems, we regularly replace the fluid, drive avoiding sudden accelerations and keep abnormal noises under control. The CVT is a robust transmission, but its Achilles' heel is the fluid: preventive maintenance and conscious driving are the key to making it last a long time.

Posted on 25 August 2025 by ScegliAuto

Video tutorial

Related tutorials

Toyota Yaris (2020-2026 / MK 4) Unlike many Toyota models, the Yaris Hybrid places the battery inside the vehicle. The battery of the Toyota Yaris Hybrid is actually located inside …
Toyota Yaris (2020-2026 / MK 4) The car model mentioned, the Toyota Yaris Hybrid, follows the method described below to cancel the tyre pressure warning light: after turning on the …
Toyota Yaris (2020-2026 / MK 4) To replace the battery of the Toyota Yaris Hybrid, you need to loosen the screws that secure the trim panels located right under the rear seat cushio…

Other guides you may be interested in

    Frequently Asked Questions

    • Yaris 2020-2027 - What problems does the automatic transmission of the Toyota Yaris Hybrid have? 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