“We don’t see eye to eye on where I should be in my lane,” a 2019 Subaru Outback driver says. Many drivers report fighting against LCA’s inputs. “Some try as hard as they can to keep your vehicle in the dead center of the lane, while others allow drivers to steer smoothly within lane lines to avoid potholes,” she says. The jiggling wheel is a dangerous distraction.”Įven though LCA systems are more popular than LDW or LKW, Funkhouser says that different vehicles interpret “centering” very differently. “I am depending on the wheel to move me away from danger on the right, watching for danger on the left. The driver of a 2017 Honda CR-V agrees: “When I am passing a vehicle on an expressway and it moves toward my lane, and I react by moving left in my lane, the steering wheel jiggles as a lane departure warning,” they wrote. “However, the steering wheel in many Honda and Acura vehicles shudders so much that it can feel like you’re losing control of the steering wheel.” “Drivers prefer systems that have a steering wheel or seat vibration over those that have an audible beep,” she says. On some vehicles, the complaints involve the warnings themselves, which can be distracting, says Kelly Funkhouser, manager for vehicle technology at CR. Shouldn’t be as sensitive off highways or ideally should see the biker/runner and recognize I am moving over line to give them more room.” “I frequently get alerts when I haven’t left my lane, or, for example, when I try to give a large vehicle, disabled vehicle, or bicyclist extra room.” A 2021 Tesla Model Y driver said it “bings at me when I’m departing lane when I am moving over due to biker or runner. “The lane departure warning and lane keep assist are the only safety features I don’t particularly like about my Forester, simply because they are wrong much more often than they are right,” says the owner of a 2017 Subaru. “I wish the system could sense potholes, objects on the road, pedestrians and bicyclists that are not in your travel lane, but require you to shift ,” says the owner of a Mazda CX-5. The most frequent complaints about LDW systems are that they sound an audible or tactile warning even when a driver is intentionally crossing a lane line. But many respondents indicated that they were confused about how lane systems work, and the differences among multiple, similarly named systems. Unlike other advanced safety systems, a very slim majority of drivers said they were “very satisfied” with LDW and LKA. The survey covered about 47,000 vehicles. Respondents answered questions about their satisfaction with the systems. In our survey, we asked CR members to rate their experiences with the advanced safety and driver assistance systems on their model-year 2017 to 2022 cars. Many brands require adaptive cruise control to be activated in conjunction with using LCA. Meanwhile, LCA is usually activated by a button on the steering wheel, featuring a symbol with lane lines flanking a steering wheel. If a driver wishes to turn them off, they usually must push a button (featuring a symbol with lane lines and a car crossing a line) or make a selection in a vehicle menu. LDW and LKA features are often on by default. LDW and LKA are often “linked” so that they are used together in a vehicle. None of these three systems are designed to steer a car without a driver’s input.Īll these lane features use forward-facing cameras to detect the lane lines around your vehicle. There is another system called Lane centering assist (LCA) that provides automatic steering to continually center the vehicle in its lane. Lane keeping assistance (LKA) gives steering support to assist the driver in preventing the vehicle from departing the lane. These systems do not intervene when the turn signal is active. Lane departure warning (LDW) will provide visual, audible, and/or tactile warnings-such as through steering wheel or seat vibrations-to alert the driver when the car approaches or crosses lane markings. So what are these systems, and how do they differ? “If I change lanes it is because I intend to, because there is something blocking my lane of traffic, like a bicyclist.” “I don’t randomly wander around the lanes in the road,” they said. At the same time, the owner of a 2020 Toyota Camry complained about its overzealous lane departure warning (LDW) system. “This has resulted in less stress in my hands, arms and overall while driving,” they wrote. In responses to the CR survey, the owner of a 2020 Toyota Corolla praises its lane centering assist (LCA) for guiding the car between lane lines on long road trips.
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