The unified ADAS dictionary to know what each driving assistant does

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This glossary collects all existing systems and explains their functionalities, to facilitate their knowledge and understanding by drivers.

New technologies, computers and electronics are increasingly present in cars, which use modern driving assistants known as ADAS. But many of the terms, as well as the usefulness of these systems, are largely unknown to many drivers.

But we will have to get used to using them, because from July 6, these ADAS systems will be mandatory in all homologated cars in the EU: Automatic Emergency Brake (EBA), Lane Keeping Assist (LDW), Intelligent Speed ​​​​​​(ISA) , fatigue and drowsiness detection and rear view camera with cross traffic warning and automatic braking. The EU also mandates other systems, such as the EDR black box and the Breathalyzer Vehicle Lock (Alcolock).

To help us adapt to the near future, Carglass Spain and FESVIAL (Foundation for Road Safety) have created a dictionary of ADAS systems. This glossary collects all existing systems and explains their functionalities, to facilitate their knowledge and understanding by drivers.

Vehicle lock with breathalyzer (Alcolock)

System connected to the ignition of the vehicle. In the event that the driver fails to check by blowing into the installed breathalyzer or exceeds the speed limit, the system will prevent the vehicle from starting.

Adaptive cruise control (ACC)

Automatic cruising speed control that intervenes on the accelerator pedal and/or the brakes to maintain a certain distance between the car and the vehicle in front using a radar. Some systems include the Start&Stop function, which is able to completely stop and start the car when traffic starts moving again, without driver intervention.

Lane Keeping Assist (LDW)

Intervenes on the steering and/or the brakes to keep the vehicle in its lane. Some systems, in addition to road markings, are guided by the movement of surrounding vehicles and parallel structures. Some systems also facilitate automatic lane return through steering assistance.

Lane change assistance

The driver is assisted to change lanes when the system detects that there is space in the adjacent lane and that no other vehicle is approaching.

Intelligent Speed ​​Assist (ISA)

It adapts the speed of the vehicle to the limitation of the road it is traveling on and prevents the driver from exceeding the established limit. The car automatically controls the speed based on the traffic sign reading system and the information about the road speed limit that the navigation system has.

Emergency stop assistant

When the system detects that the driver is not reacting to the various traffic situations, the vehicle controls display a series of sound and light warnings to attract the driver’s attention; if it doesn’t respond, the system will stop the vehicle in a safe area. The system also activates the hazard lights and the emergency call.

Reverse assistance

The system records the last meters traveled ahead and performs that route in reverse, intervening in the direction.

Fatigue and Drowsiness Detection

Monitors driver actions to determine if they are actively participating in the driving task. Some systems monitor eye movements and head position to detect fatigue or possible drowsiness.

Hill Descent Control (HDC)

System that acts on the brakes and/or engine braking to control the speed of the vehicle on steep slopes.

Blind Spot Detection (BSD)

When the car is in motion, it detects vehicles approaching from behind in adjacent lanes and warns the driver of their presence.

Forward Collision Warning (FCW)

It detects the possibility of an impending frontal collision and warns the driver. Some systems include detection of pedestrians, cyclists and other objects.

Departure warning or involuntary lane change

It monitors the vehicle’s position within the lane and warns the driver when the vehicle is approaching or crossing the lane lines, when the driver has not activated the turn signals.

Wrong direction warning

It warns the driver that he is driving in the opposite direction.

Warning for risk situations

System based on the exchange of information between vehicles and sending data to the cloud. With the data received, a warning is issued to cars approaching a risk situation ((rain, ice, accident…) and they are warned in advance of what is coming their way.

Automatic Emergency Brake (EBA)

It detects possible rear-end collisions, warns the driver about them and brakes automatically if the driver does not react adequately to avoid the impact or reduce its severity. Some systems include detection of pedestrians, cyclists, motorcycles and animals. Some systems also intervene in the steering to avoid the impact or to reduce its severity, providing impulses that help to perform the evasive maneuver and restore the stability of the vehicle. More sophisticated systems can also recognize vehicles approaching frontally or from the side to cross an intersection.

Rear Crossing Warning with Automatic Braking

When detecting a possible collision while reversing, it automatically applies the brakes to avoid the impact or reduce its severity. Some systems include detection of pedestrians, cyclists and other objects.

Lane Keeping Assist with Side Collision Protection

Intervenes in the direction and avoids lane changes in heavy traffic and prevents an imminent side collision with another user.

Side Collision Assistance

The system detects a possible side impact and intervenes in steering to correct the trajectory. Some systems involve lateral displacement of the driver or passenger to move them away from the impact zone.

Reach Collision Assistance

If the system detects an impending rear-end collision hazard, the hazard warning lights and brakes are activated.

Black Box (EDR)

Records vehicle information in the event of an accident, recording the 30 seconds before the accident and the 5 seconds after it.

Automatic Multiple Collision Braking

If the driver does not intervene, he brakes the car automatically after a collision to avoid or minimize the consequences of subsequent collisions.

rear traffic warning

When reversing out of a parking space, it warns the driver with acoustic signals when it detects vehicles, pedestrians or objects

assisted parking

Take control of the direction, while the most advanced systems also intervene on the accelerator, brakes and, in the automatic mode, the gearbox. This system can park parallel and/or perpendicular.

Trailer maneuvering assistance

Intervenes with the steering to automatically adjust the angle of the front wheels during reverse maneuvers with a trailer.

parking remote control

Park the vehicle without the driver inside. It automatically controls the accelerator, brakes, steering and gearbox.

Rear parking assist camera

It provides a screen image of the area behind the vehicle when reverse gear is engaged or a button is pressed.

peripheral vision cameras

It uses cameras located around the vehicle to create an image around the vehicle that makes maneuvering easier.

automatic high beam

Automatically switches between high and low beam depending on lighting, environment and traffic.

bend lighting

The headlights’ lights follow the angle set by the direction.

adaptive lighting

It continuously adjusts the beam of light in width, length and intensity, depending on the type of road you are driving on and the traffic. It illuminates the road automatically with maximum brightness and an exact light distribution that prevents dazzling other users.

Information projection (Head-up display)

Projects images containing vehicle data and/or navigation information into the driver’s field of view, so you don’t have to take your eyes off the road when viewing information; it can be projected onto a polycarbonate screen or the windshield.

night vision

It uses the infrared radiation to capture images and display them in black and white on the dashboard, front projection screen and/or infotainment system.

signal reader

It recognizes different road signs thanks to a camera that processes the images of the road and displays it on the instrumentation screen and/or on the front projection screen. Some systems contain advanced functionalities, such as warning the presence of people in the area of ​​pedestrian crossings.

Source: La Verdad

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