{"id":73598,"date":"2022-10-09T21:25:50","date_gmt":"2022-10-10T04:25:50","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=73598"},"modified":"2024-04-15T16:56:45","modified_gmt":"2024-04-15T23:56:45","slug":"lane-departure-warning-what-is-it-for","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/lane-departure-warning-what-is-it-for\/","title":{"rendered":"Lane Departure Warning: What Is It For?"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_050554-ac > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_050554-ac > .kt-inside-inner-col,.kadence-column_050554-ac > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_050554-ac > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_050554-ac > .kt-inside-inner-col{flex-direction:column;}.kadence-column_050554-ac > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_050554-ac > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_050554-ac{position:relative;}@media all and (max-width: 1024px){.kadence-column_050554-ac > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_050554-ac > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_050554-ac qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-4fd881  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-8f79eb\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_ba2f86-fa, .wp-block-kadence-advancedheading.kt-adv-heading_ba2f86-fa[data-kb-block=\"kb-adv-heading_ba2f86-fa\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_ba2f86-fa mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_ba2f86-fa[data-kb-block=\"kb-adv-heading_ba2f86-fa\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading_ba2f86-fa img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_ba2f86-fa[data-kb-block=\"kb-adv-heading_ba2f86-fa\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_ba2f86-fa summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_ba2f86-fa\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The lane departure warning prevents collisions while drifting or leaving your lane. The system warns the driver via a flashing indicator once a tire hits a lane marker.<\/li><li>How your lane departure system works will depend on your ride&rsquo;s make and model. Some systems require you to press a button, while others turn on automatically.<\/li><li>Lane departure warning and blind spot detection usually come in a single system. However, lane departure warning uses cameras to scan the road ahead, while blind spot detection uses sonar or radar sensors that cover the back and sides of the vehicle.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Does your vehicle have a lane departure warning system? This safety feature is designed to prevent high-speed collisions on highways and freeways. Let&rsquo;s take a closer look at how this system works and why you should consider a vehicle with a lane departure warning system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is a Lane Departure Warning System?<\/h2>\n\n\n\n<p>Lane departure warnings help prevent collisions while drifting or leaving your lane. When a tire hits a lane marker, the system identifies it and warns you by activating a flashing indicator or producing a beeping noise from the opposite side of the vehicle. The <a href=\"https:\/\/www.carparts.com\/steering-wheel\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"steering wheel\">steering wheel<\/a> or driver&rsquo;s seat gently vibrates in some systems. However, most lane departure warning systems will not notify you when your turn signal is on.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-keeping-assist-system-switch-1024x682.jpg\" alt=\"car lane keeping assist system switch\" class=\"wp-image-74298\" width=\"1024\" height=\"682\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-keeping-assist-system-switch-1024x682.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-keeping-assist-system-switch-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-keeping-assist-system-switch-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-keeping-assist-system-switch-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-keeping-assist-system-switch-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-keeping-assist-system-switch-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-keeping-assist-system-switch-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-keeping-assist-system-switch.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>This system might be called a different name depending on your vehicle manufacturer.<\/figcaption><\/figure>\n\n\n\n<p>This system might be called a different name depending on your vehicle manufacturer. <a href=\"https:\/\/www.carparts.com\/honda\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Honda\">Honda<\/a> and <a href=\"https:\/\/www.carparts.com\/acura\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Acura\">Acura<\/a> call theirs a lane keeping assist system (LKAS), while <a href=\"https:\/\/www.carparts.com\/toyota\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Toyota\">Toyota<\/a> and <a href=\"https:\/\/www.carparts.com\/lexus\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Lexus\">Lexus<\/a> call theirs a lane monitoring system (LMS). You can always consult your vehicle manual to know if your vehicle has this feature.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Does a Lane Departure Warning System Work?<\/h2>\n\n\n\n<p>Some lane departure warning\/lane keeping assist systems require a button press, while others switch on automatically. When the system is active, this button will have an activated indication light.<\/p>\n\n\n\n<p>How your lane departure warning system works will depend on your vehicle&rsquo;s specific make and model. Most systems use cameras to determine when a vehicle crosses lane marker lines on the road. Some systems include two cameras, one on each side of the rearview mirror. Others scan the environment using infrared sensors installed under the front bumper.<\/p>\n\n\n\n<p>Most systems also offer steering input assist in addition to the camera. Lane keeping assist gradually turns the steering wheel in the opposite direction of the lane boundary to keep your vehicle within the left and right lane lines. The tugging on your steering wheel may become heavier as your car approaches the lane markers in these systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Lane Departure Warning vs Blind Spot Detection<\/h2>\n\n\n\n<p>Lane departure warning and <a href=\"https:\/\/www.carparts.com\/blog\/web-stories\/suv-and-truck-blind-spot-driving\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"blind spot detection features\">blind spot detection features<\/a> often come in a single system. However, they&rsquo;re two different safety features. Here&rsquo;s how they differ:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-with-blind-spot-detection-feature-1024x684.jpg\" alt=\"car with blind spot detection feature\" class=\"wp-image-74297\" width=\"1024\" height=\"684\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-with-blind-spot-detection-feature-1024x684.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-with-blind-spot-detection-feature-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-with-blind-spot-detection-feature-768x513.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-with-blind-spot-detection-feature-1536x1025.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-with-blind-spot-detection-feature-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-with-blind-spot-detection-feature-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-with-blind-spot-detection-feature-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-with-blind-spot-detection-feature.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Blind spot detection systems utilize sonar or radar sensors that cover the back and sides of the vehicle.<\/figcaption><\/figure>\n\n\n\n<p>Lane departure warning systems use cameras that scan the road ahead to detect lane drift when the turn signal is off. Meanwhile, blind spot detection systems utilize sonar or radar sensors that cover the back and sides of the vehicle.<\/p>\n\n\n\n<p>The latter warns the driver when a car approaches swiftly into a blind spot through a warning light on your side mirror or on the A-pillar. An icon showing two cars side-by-side lights up in the mirror.<\/p>\n\n\n\n<p>Blind spot detection systems only provide a haptic or audible warning if the turn signal is activated. On the contrary, lane departure warnings are activated when the turn signal is off.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Should My Next Car Have a Lane Departure Warning System?<\/h2>\n\n\n\n<p>If you drive plenty of highway miles, getting a vehicle with a lane departure warning system makes sense. Most lane departure warning\/lane keeping assist systems work best on highways and some only work at speeds above 35 miles per hour.<\/p>\n\n\n\n<p>Lane departure warning, along with blind spot recognition, is near the top of the list of available driver-assistance devices in terms of boosting safety. With that in mind, there&rsquo;s no reason not to get a vehicle with lane departure warning.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Diagnosing and Servicing a Lane Departure Warning System<\/h2>\n\n\n\n<p>Like any other system in your vehicle, your lane departure warning system might need to be serviced and repaired over time.<\/p>\n\n\n\n<p>Modern systems are usually equipped with complicated computer systems, cameras, and sensors. So expect repairs to be quite pricey. Most of the time, these systems need to be calibrated and\/or aligned after repair.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Modern systems are usually equipped with complicated computer systems, cameras, and sensors. So expect repairs to be quite pricey.<\/p><cite><em>&ndash;<\/em><a href=\"https:\/\/www.carparts.com\/blog\/author\/anthonyharlin\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Anthony Harlin, ASE Certified Master Automobile Technician\">Anthony Harlin, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<p>Also, it can be difficult to find compatible parts. You may need to rely on specific repair facilities that offer the necessary services, which can limit your options and increase expenses.<\/p>\n\n\n\n<p>When repairing the lane departure warning system, your mechanic might check the sensors and cameras for damage to help diagnose problems within the system. They will likely check for damage caused by road debris.<\/p>\n\n\n\n<p>Diagnosing and repairing your lane departure warning system requires in-depth vehicle repair knowledge. If you don&rsquo;t have the technical know-how to get the job done, take your vehicle to an auto repair shop.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Find Parts for the Lane Departure Warning System<\/h2>\n\n\n\n<p>It&rsquo;s ill-advised to drive a vehicle with a malfunctioning lane departure warning system because it increases the risk of road accidents. Dealing with the issue usually involves repairing or replacing the part that&rsquo;s causing the problem. Find what you need with just a few clicks when you shop here at <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>.<\/p>\n\n\n\n<p>We source our electronic system parts from the most reliable names in the industry. To start shopping, fill out our vehicle selector to view compatible parts. Then, use the search filters to find the ones that match your preferred brand, price, type, and more.<\/p>\n\n\n\n<p>Our warehouses are strategically located across the US, and all our auto parts are on hand and ready to ship. That means you can expect your order at your doorstep in as fast as two business days. If you have questions, our customer service team is available 24\/7 via our toll-free hotline to assist you.<\/p>\n\n\n\n<p>Don&rsquo;t let a faulty lane departure warning system make your trips risky. Check out our catalog and shop now!<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>Does your vehicle have a lane departure warning system? This safety feature is designed to prevent high-speed collisions on highways&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/lane-departure-warning-what-is-it-for\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":74299,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[52,3751],"tags":[493,100,452,76],"ppma_author":[2607,3742],"class_list":{"0":"post-73598","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-warning-lights","9":"tag-acura","10":"tag-honda","11":"tag-lexus","12":"tag-toyota","13":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lane Departure Warning: What Is It For? - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"How do lane departure warning systems keep you safe on the road? Learn more about them by reading this article.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/lane-departure-warning-what-is-it-for\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lane Departure Warning: What Is It For? - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"How do lane departure warning systems keep you safe on the road? Learn more about them by reading this article.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/lane-departure-warning-what-is-it-for\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-10T04:25:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-15T23:56:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/09\/car-lane-departure-warning-system-light-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1210\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/lane-departure-warning-what-is-it-for\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/lane-departure-warning-what-is-it-for\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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