Driver assistance systems have become almost standard in modern cars. One such solution is TSR, or Traffic Sign Recognition. It's designed to improve safety by informing the driver about current speed limits and overtaking restrictions. The problem is that in practice, TSR often works incorrectly, is overly sensitive, and can literally ruin the driving experience. Kia drivers are increasingly asking: how can I disable it—preferably permanently? We answer.
What is TSR and why does it cause so much frustration?
Traffic Sign Recognition (TSR) is a technology that uses a camera (usually located at the top of the windscreen) to read road signs and inform the driver about speed limits, restrictions, and other important road information. Sometimes, this system integrates with satellite navigation systems, comparing the signs read by the camera with map data.
In theory, this sounds good. In practice, the opposite is often true. TSR in KIA cars can be:
- too sensitive – reads signs on adjacent roads, exit ramps, parking lots;
- incredible – can show the 30 km/h limit on the highway;
- snippy – each time the read mark is exceeded, it gives an audible alarm or displays a message on the screen;
- erratic – sometimes it works, sometimes it doesn’t, and most often it works where it shouldn’t.
The result? Instead of support and peace, there's irritation and reflexive reaching for the settings to silence the system, even if only for a moment.
How do I turn off TSR temporarily while driving?
Many KIA models offer the option to disable the TSR system via the vehicle settings menu. Unfortunately, in most cases, this change is only temporary – the system automatically re-enables itself after the engine is restarted. Here's how to temporarily disable it:
- Press the "Setup" or "Menu" button on the central multimedia console.
- Go to the "Vehicle Settings" tab.
- Go to section "Driver Assistance" or similarly named (depending on the language version of the system).
- Choose "Traffic Sign Recognition".
- Deselect all available options:
- displaying characters on the screen,
- speeding warnings,
- sound signals.
- displaying characters on the screen,
After this operation, the system will stop interfering – until you turn off the car. After restarting, you often have to repeat the entire process.
For many drivers, this is a burdensome ritual that is in no way compatible with the comfort of driving a modern car.
How to permanently disable TSR? Solution: ZENBOX PRO
For drivers who want to permanently eliminate the problem, the best solution is to permanently deactivate the TSR system. However, this cannot be done from the factory settings – KIA does not provide a way to completely disable the system, considering it an integral safety feature.
This is where help comes in ZENBOX PRO – a specialized device that allows you to permanently disable the TSR system in KIA vehicles. Importantly:
- ZENBOX PRO does not require cutting cables, soldering or modifying software in an unauthorized way;
- installation is quick and reversible – if necessary, you can restore factory settings;
- the device deactivates the TSR completely – without having to turn it off each time;
- works regardless of the infotainment system version, even in the latest models.
This solution was created for drivers who want to have full control over technology in your car, and not be her hostage.

In which KIA models is the TSR most bothersome?
Based on driver reviews, automotive forums and service reports, most complaints about the TSR system appear in the following models and years:
- KIA Sportage (2021–2024)
The system often misreads signs in tunnels, on highways and near service roads, leading to unwarranted alarms. - KIA Ceed (2019–2023)
In the city, TSR can respond to signs placed on properties, temporary roadworks markings or advertising banners. - KIA Sorento (2020–2024)
Even with notifications disabled, the system can still influence the adaptive cruise control and interfere with the driving speed. - KIA Niro (2022–2024)
In hybrids and electric cars, the TSR operates with a delay, which results in delayed signals – and often incorrect ones. - KIA EV6 (2021–2024)
Integrating TSR with the driving assistance system means that an incorrect reading of the limit can lead to the car automatically slowing down at an unexpected moment.
These are only some of the models, but they show the scale of the problem and the frustration felt by users of new KIAs – especially those who expected comfort and freedom, not daily struggles with electronics.
Summary
Modern assistance systems should work for the driver, and not against himIn the case of TSR in KIA cars, however, we are dealing with an example of technology that is more often a hindrance than a help. And although it can be temporarily disabled in the settings menu, only ZENBOX PRO offers the opportunity to permanently eliminate the problem. After all, it's the driver, not the computer, who should decide what truly increases their safety—and comfort.