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Introducing UniLOCK: Vehicle Immobilizer within the Unitronic UAF Control App

Mar 18th, 2026 Products
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You asked, we answered. Unitronic is pleased to introduce the latest Advanced Feature: UniLOCK, now available within the UAF Control iOS/Android apps and tune add-on. UniLOCK allows users to immobilize their UAF-enabled vehicles and serves as an extra layer of protection to aid in theft deterrence.

No matter what your circumstances may be, the UniLOCK Immobilizer puts an added layer of protection and control in the palm of your hand. Now available for MK8 GTI®, Golf R® and 8Y S3® customers. 8Y RS3® support coming soon.

Unitronic UniLOCK


Immobilize Your Vehicle Instantly

Enabling or disabling the UniLOCK is simple and can be done within seconds right from within the UAF Control app for iOS and Android mobile devices. Once locked, you’ll see “222” on the factory torque gauge built into the instrument cluster indicating engine start is currently inhibited. When you’re ready to drive again, simply open the UAF Control App and unlock within seconds.

Unitronic UniLOCK

Feature Drop for Existing UAF (Advanced Feature) Clients

UniLOCK is the latest Unitronic Advanced Feature (UAF) to drop and as such, is accessible on supported platforms for existing clients with UAF-enabled ECU tunes at no extra cost. Existing clients can reflash the ECU via UniCONNECT+ in order to get the latest UAF features into their ECU.

Thanks to the proprietary ECU code, the Unitronic Advanced Features (UAF) Add-On gives unparalleled levels of control for true adjustability directly from the driver’s seat. With seamless integration between Unitronic's FeatureBox and the UAF Control App, enthusiasts can fine-tune numerous performance features in seconds while also enabling new functions altogether. Click here to learn more about UAF and Unitronic's FeatureBox. NOTE: If vehicle is already equipped with UniFLEX, the FeatureBox is not required to enable the UAF functionality.

UniFLEX and FeatureBox


Not Your Everyday Tuning Software

Unitronic is taking tuning and vehicle functionality to places no others have dared to explore. From advanced performance upgrades to innovative new features such as UniLOCK, we're continuing to expand what’s possible for drivers.

Have an idea for the next feature? Share it with us and you might see it in the next UAF feature drop!


APPLICATIONS

2022-2024 VW® GTI® 2.0TSI® EVO4

2022-2024 VW® Golf R® 2.0TSI® EVO4

2022-2024 Audi® S3® 2.0TSI® EVO4

2022-2024 Audi RS3® 2.5TFSI® EVO (COMING SOON)


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Unitronic Car Button


NOTE: In the event that a mobile device is inaccessible and/or other circumstances prohibit you from disabling the UniLOCK, it can be temporarily bypassed by turning the ignition on, firmly pressing the pedal brake, pulling up and holding the emergency brake, while pressing and holding the cruise control SET button. You’ll see the torque gauge countdown and the UniLOCK will be temporarily bypassed when the torque gauge shows 0.

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