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ADAC sees assistance systems as useful helpers and points out their limitations
According to ADAC (Allgemeine Deutsche Automobil-Club e.V.), driver assistance systems are an important and correct approach to increasing the active safety of vehicles. For instance, the mobility club considers equipping vehicles with an emergency braking assistant essential to reducing accident numbers. A lane-keeping assistant can also significantly increase safety. Deviating from the designated lane is, at nearly 40 percent, one of the most common causes of accidents recorded by ADAC accident research.
Tests show weaknesses of the systems
The new systems include, among others:
- Intelligent Speed Assistant (ISA): The system warns acoustically, visually, or haptically when the speed limit is exceeded.
- Emergency Brake Light: Following vehicles are warned of strong deceleration.
- Reversing Assistant: Warns the driver of persons and objects behind the vehicle.
- Emergency Braking Assistant: The system independently detects a hazardous situation and initiates braking of the vehicle to avoid or mitigate a collision.
- Lane Keeping Assistant: Intervenes when the vehicle leaves the lane and a collision could be imminent.
However, in its tests, the ADAC regularly identifies weaknesses in the systems. For example, it is observed that lane keeping systems sometimes work against the driver’s intention in certain situations.
Reversing assistants sometimes fail to recognize obvious objects (such as boundary posts) and do not initiate necessary emergency braking or other maneuvers.
The Intelligent Speed Assistant (ISA), which can be helpful as a supportive system in individual cases, is currently still not sufficiently tested and developed according to ADAC findings.
Errors Influence Customer Acceptance
Too many errors, for example in recognizing the allowable maximum speed, coupled with constant warnings or implausible steering interventions by lane-keeping assistants, reduce customer acceptance.
The mobility club calls on manufacturers to bring only well-developed systems to the market. Regular software updates should help to continuously optimize the systems.
Knowledge of Systems' Capabilities and Limitations Needed
At the same time, it is important that automakers extensively inform customers about the functions of the assistance systems and that buyers try them out during a test drive.
Consumers need to know the capabilities, but also the limitations of the systems and understand when an intervention can and should be overridden. Customer acceptance ultimately means that the systems remain activated during the drive.
According to the ADAC, a routine of turning off the systems when starting the vehicle, despite some weaknesses, is a wasted safety potential.
Translated automatically from German.
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