Image in Safety Demo: Lane Keeping Assist Maserati Levante

Lane Keeping Assist

Lane Keeping Assist (LKA) is designed especially for highway and motorway driving in order to reduce the risk of accidentally straying from the lane in use.

Lane Keeping Assist System - Maserati wheel view on a lane marking
So how does the Lane Keeping Assist work? Cars with lane assist uses a forward-facing camera placed behind the rear-view mirror that continuously keeps track of the course ahead in order to monitor lane markings. When you are about to unintentionally leave a lane, the Lane Keeping Assist warns you with a steering wheel vibration and provides a steering torque to help you return to the centre of the lane.
How do you turn on lane keep assist functions? You can easily configure the Lane Keeping Assist system and adjust the settings to your preference.

  • "Visual" only: the system will only show that your vehicle is crossing the lane on the instrument cluster display but won’t request any corrective action to change your driving trajectory.
  • "Visual & Haptic": when the system detects an imminent lane departure, it will apply a corrective steering torque along with a steering vibration; at the same time, it will show the proper indications on the instrument cluster display.

When "Visual & Haptic" is selected, two additional options will come into play: “LKA Sensitivity” tunes the distance to the road markings in order to define the moment when the system will start to apply a steering torque. “LKA Strength” defines the corrective steering torque value in order to have a stronger or weaker trajectory deviation.

About the display

When LKA is enabled in a car with lane change cameras, the graphics on the screen will show at the glance the system’s knowledge of the lane in front of the car.

  • White line: the lane boundary is detected correctly and the LKA system is able to intervene
  • Yellow flashing line: Lane departure warning with lane keep assist is detecting a very imminent lane departure as your vehicle is moving off-centre
  • Yellow line: there is a corrective steering torque intervention in progress that is trying to prevent a lane departure

Keep in mind how does lane assist work

  • LKA is fully configurable in order to both maximise its efficiency and reduce any possible invasiveness.
  • LKA may be interrupted at any time by counter steering.
  • Cars with lane keep assist are designed for an attentive driver therefore the system is available only when your hands are on the steering wheel.
  • LKA requires good visibility to operate properly: you have to be extra careful in the event of heavy rain, snow, sharp bends, slopes, poor road marking and construction areas.
  • the area on the rear bumper fascia where the radar sensors are located must remain free of snow, ice, and dirt.

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