Assistance driving technologies have transformed our daily journeys, offering more safety and comfort. It’s important to know how to regain control of your vehicle in case of a failure or unforeseen situation. Imagine for a moment that the automatic braking system does not respond as expected or that the lane-keeping assistant suddenly turns off.
In these critical moments, the ability to take control effectively can make all the difference. Knowing the precise actions and keeping your cool are essential skills for every driver, even in the era of smart cars.
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Understanding Driving Aids and Their Limits
Driving assistance systems, such as the adaptive cruise control or the lane departure warning (LDW), are increasingly present in our vehicles. These technologies evolve according to a classification defined by SAE International, ranging from Level 0 (manual driving) to Level 5 (fully automated driving). It is fundamental for drivers to understand the limits of these systems to avoid risks associated with overconfidence.
Levels of Autonomy
- Level 0: manual driving, the driver has total control.
- Level 1: assisted driving, the system helps but the driver remains in charge.
- Level 2: partially automated driving, the system manages the trajectory but the driver must supervise.
- Level 3: conditionally automated driving, the system monitors the environment but the driver must intervene on request.
- Level 4: highly automated driving, the system manages without the need for constant supervision.
- Level 5: fully automated driving, the system operates in all conditions without human intervention.
The use of these systems requires heightened vigilance. For example, knowing how to disable Volkswagen’s Lane Assist allows you to regain control when needed. This ability to intervene manually remains fundamental for road safety. Drivers must also undergo specific training to master these technologies and understand the indications provided by onboard systems, such as GPS or traffic sign recognition.
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Road safety depends on this understanding and the ability to regain control in case of failure of assistance systems. The highway code and European regulations mandate certain technologies such as eCall, but it is the driver’s responsibility to remain vigilant and informed. 
Techniques to Regain Control of Your Vehicle in Case of Failure
Knowing how to act when assistance systems fail is fundamental for road safety. Here are some techniques to regain control of your vehicle:
1. Manual Deactivation of Systems
Modern vehicles often allow you to deactivate electronic aids via controls on the steering wheel or dashboard. For example, for adaptive cruise control, press the deactivation button and take manual control of acceleration and braking.
2. Mastering the Steering
In case of failure of the lane-keeping system, firmly take the steering wheel to keep the vehicle on its path. Activating the turn signal often temporarily disables these systems, allowing for manual maneuvering.
3. Using Emergency Braking
In case of failure of the emergency braking assistance (EBA), brake gradually to avoid locking up. The ABS system may still function independently, preventing wheel lockup and allowing you to maintain steering control.
4. Monitoring Alerts
Systems like fatigue detectors and lane departure alerts provide visual and auditory indications. Stay attentive to alerts to anticipate a potential failure and intervene quickly.
- Damien Léger, president of the Scientific Council of INSV, emphasizes the importance of knowing the features and limitations of each onboard system.
Manual control, although less comfortable, often remains the best option to avoid accidents. Vigilance and a good knowledge of your vehicle are your main assets to face technical failures.