{"id":39724,"date":"2021-05-25T01:35:00","date_gmt":"2021-05-25T08:35:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=39724"},"modified":"2025-05-09T08:18:17","modified_gmt":"2025-05-09T15:18:17","slug":"why-police-touch-tail-lights-at-a-traffic-stop","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/why-police-touch-tail-lights-at-a-traffic-stop\/","title":{"rendered":"Why Police Touch Tail Lights at a Traffic Stop"},"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\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column39724_df4fc1-26 > .kt-inside-inner-col,.kadence-column39724_df4fc1-26 > .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-column39724_df4fc1-26 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column39724_df4fc1-26 > .kt-inside-inner-col{flex-direction:column;}.kadence-column39724_df4fc1-26 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column39724_df4fc1-26 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column39724_df4fc1-26{position:relative;}@media all and (max-width: 1024px){.kadence-column39724_df4fc1-26 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column39724_df4fc1-26 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column39724_df4fc1-26 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-cf92f1  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-ee1f85\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading39724_96f31d-0e, .wp-block-kadence-advancedheading.kt-adv-heading39724_96f31d-0e[data-kb-block=\"kb-adv-heading39724_96f31d-0e\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading39724_96f31d-0e mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading39724_96f31d-0e[data-kb-block=\"kb-adv-heading39724_96f31d-0e\"] 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-heading39724_96f31d-0e img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading39724_96f31d-0e[data-kb-block=\"kb-adv-heading39724_96f31d-0e\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading39724_96f31d-0e summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading39724_96f31d-0e\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Police may touch the tail light of the vehicle to leave a thumbprint on the glass as a safety precaution. In the event that a driver resorts to violence or retaliates, their thumbprint can connect the suspect to the scene.<\/li>\n\n\n\n<li>Police officers might also touch the back of a vehicle to startle the driver or check that the trunk is closed and secure.<\/li>\n\n\n\n<li>It&rsquo;s a practice that&rsquo;s been done for years. But with the technology we have today, it&rsquo;s not as necessary.<\/li>\n\n\n\n<li>Police offices may ask you to pull over for reasons like speeding and distracted driving. If you get pulled over, it&rsquo;s best to stay calm. Know your rights, follow the officer&rsquo;s instructions, and keep your hands on the wheel.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>A traffic stop is one of the ways police officers use to enforce road laws. It involves the temporary detention of a driver of a vehicle by the police so they can investigate a potential crime or minor law violation. There are various reasons for a police officer to pull you over, which includes common road-related infringements, such as speeding, distracted driving, and more.<\/p>\n\n\n\n<p>Like most drivers, you&rsquo;ve probably been stopped by a traffic cop at some point. You may have noticed the officer tapping or touching your <a href=\"https:\/\/www.carparts.com\/tail-light\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"tail light\">tail light<\/a> while walking from the patrol car to your window. Why do they do that? Is there reason for you to be concerned? Let&rsquo;s find out.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-pulled-over-by-a-police-1024x683.jpg\" alt=\"car pulled over by a police\" class=\"wp-image-39727\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-pulled-over-by-a-police-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-pulled-over-by-a-police-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-pulled-over-by-a-police-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-pulled-over-by-a-police-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-pulled-over-by-a-police-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/car-pulled-over-by-a-police.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">A traffic stop involves the temporary detention of a driver of a vehicle by the police so they can investigate a potential crime or minor law violation.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Why Cops May Touch Tail Lights at a Traffic Stop<\/h2>\n\n\n\n<p>So why do the police touch the back of cars? A tap or touch on your tail light during a stop isn&rsquo;t a superstitious practice for the cop, rather it&rsquo;s an action that is thought to help protect the cop&rsquo;s well-being.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Leaving Evidence<\/h3>\n\n\n\n<p>Tapping or touching the tail light is mainly done to leave a thumbprint on the glass. Everyone knows that thumbprints adhere easily to glass and can be used to identify and connect suspects to the scene of the crime. But why are the police doing it for harmless traffic stops?<\/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<p>Conducting traffic stops could be unsafe for police officers. This is because there have been instances where suspects have responded to stops with either attempts to escape, or at worse, retaliation. This sounds unlikely, but it remains a possibility. Taking precautions during stops takes into consideration that the driver or passengers could be dangerous.<\/p>\n\n\n\n<p>Any driver could also be in possession of illegal substances, like drugs or alcohol, or prohibited items, like illegally acquired guns or ammunition. Amidst the fear of getting caught during the stop, people can react irrationally and resort to violence.<\/p>\n\n\n\n<p>Additionally, there is a correlation between drivers speeding and the likelihood that they could be escaping from a crime. Or sometimes, drivers could simply be speeding because they are driving under the influence (DUI) of drugs or alcohol and are incapable of properly assessing their speed.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/tail-light-of-a-vehicle-1024x683.jpg\" alt=\"tail light of a vehicle\" class=\"wp-image-39731\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/tail-light-of-a-vehicle-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/tail-light-of-a-vehicle-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/tail-light-of-a-vehicle-768x513.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/tail-light-of-a-vehicle-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/tail-light-of-a-vehicle-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/tail-light-of-a-vehicle.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Tapping or touching the tail light is mainly done by the cops to leave a thumbprint on the glass.<\/figcaption><\/figure>\n\n\n\n<p>In case the officer who conducted the stop is injured or worse, then his fingerprint will be able to connect him to the suspect&rsquo;s vehicle. The practice may stem from the idea of a very unlikely possibility but it could aid in getting a conviction down the line.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Startling the Driver<\/h3>\n\n\n\n<p>Another reason for tapping the suspect <a href=\"https:\/\/www.carparts.com\/blog\/car-lights\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"vehicle&rsquo;s tail light\">vehicle&rsquo;s tail light<\/a> is to startle the driver. Imagine a situation where the passengers are amidst the panic of hiding evidence. Not suspecting the officer&rsquo;s proximity, the sound of the officer tapping the tail light might startle the motorist and give him ample time to catch them in the act. Their behavior could also give the officer clues on whether he should be cautious or not.<\/p>\n\n\n\n<p>If they can see that whoever is inside the stopped car is moving fast to hide something, then the officer needs to be more cautious. This tactic of tapping the suspect&rsquo;s vehicles to surprise them has been proven to increase arrests of people in possession of prohibited substances and unlicensed firearms.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Checking the Trunk<\/h3>\n\n\n\n<p>Police officers might also touch the vehicle&rsquo;s trunk to check that it&rsquo;s latched. This is to ensure that no one is inside the trunk ready to jump the officer. If the officer believes they&rsquo;re in danger, it&rsquo;s possible they&rsquo;ll bring their partner with them when approaching your vehicle. One will typically go to your window while the other might tap the trunk to check that it&rsquo;s closed. The danger in their line of work is very real.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The Risks of the Practice<\/h2>\n\n\n\n<p>The simple act of touching the tail light may compromise the officer&rsquo;s safety. A mere tap or touch on someone&rsquo;s tail light may not cost much time or effort for the police officer, but a situation could arise in any second where milliseconds and small movements matter, it could be an unnecessary risk. Approaching any suspect is dangerous, especially considering they&rsquo;re inside their vehicle, and the police officer may not always see what the driver is doing inside the cabin.<\/p>\n\n\n\n<p>There are numerous ways for a suspect to retaliate. They could pull out a weapon and shoot from inside their vehicle, or they could use the vehicle itself to harm the officer. Touching the tail light could take up the officer&rsquo;s valuable attention and make them susceptible to these kinds of attacks.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/police-inspecting-a-car-1024x576.jpg\" alt=\"police inspecting a car\" class=\"wp-image-39729\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/police-inspecting-a-car-1024x576.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/police-inspecting-a-car-300x169.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/police-inspecting-a-car-768x432.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/police-inspecting-a-car-150x84.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/06\/police-inspecting-a-car.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Another reason for tapping the suspect vehicle&rsquo;s tail light is to startle the driver.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Is this Still Useful?<\/h2>\n\n\n\n<p>Originally, this practice was a crude method of making evidence that a traffic stop did occur. Before the age of technology, a stopped vehicle could easily escape because there was only the testimony of the officer that would connect the suspect to the scene of the crime. Even then, its usefulness might not even be worth the risks since fingerprints can be smudged and washed away in wet weather.<\/p>\n\n\n\n<p>Nowadays, police cars are equipped with dash cams that can take a record of information, such as the stopped vehicle&rsquo;s model, color, and of course, license plate. Even police officers are fitted with body cams strapped to their chests to record everything in front of them in case an altercation occurs. These recording devices have been invaluable for investigating incidents. Additionally, it is also now common for high-traffic roads to be fitted with CCTV cameras in areas, such as intersections, to make finding fleeing culprits easier.<\/p>\n\n\n\n<p>Technology has made the practice of using this crude method to trace suspects impractical. So if a police officer touches your tail light in a routine stop, then they might just be doing it out of habit, or doing it to startle you.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What To Do When You&rsquo;re Pulled Over<\/h2>\n\n\n\n<p>If you&rsquo;re pulled over by an officer, don&rsquo;t panic. Panicking can escalate the situation and make things worse. Keep calm and be polite. Here are a few tips to consider when you&rsquo;re pulled over by a police officer:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Know Your Rights<\/h3>\n\n\n\n<p>If an officer pulls you over, they might ask to search your vehicle. You have every right to deny a vehicle search unless they have probable cause to do so. If the officer arrests you, you have the right to remain silent and ask for an attorney.<\/p>\n\n\n\n<p>Take note of the officer&rsquo;s badge number, and document everything you can remember about the incident. This can help you file a complaint later on if you believe your rights were violated by the officer.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Follow Instructions<\/h3>\n\n\n\n<p>An officer will typically ask for your license, registration, and proof of insurance when they pull you over. It&rsquo;s best to be cooperative, so hand over the relevant documents without hesitation. As much as possible, try to stay on the officer&rsquo;s good side even if you did something wrong. Being amiable can go a long way.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Keep Your Hands on the Wheel<\/h3>\n\n\n\n<p>To avoid any further conflict, keep your hands on the wheel. It&rsquo;s best to avoid making any sudden movements that can make them suspicious of you. Keeping your hands in sight makes sure the officer won&rsquo;t think you&rsquo;re reaching for a weapon.<\/p>\n\n\n\n<p>If you&rsquo;re sitting in the passenger seat, you can put your hands on the dashboard instead.<\/p>\n\n\n\n<div align=\"center\">\n<a href=\"https:\/\/www.carparts.com\/installed?utm_source=blog&amp;utm_medium=in_article_difm_banner&amp;utm_content=inarticlebanner2lp\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto\/carparts\/blog\/landing-pages\/difm\/p4\/reusable%20block\/inarticle-hero-taillights\" alt=\"Get Your Tail Lights Installed. Get $100 Cash Back.\"&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto\/carparts\/blog\/landing-pages\/difm\/p4\/reusable%20block\/inarticle-hero-taillights\" alt=\"Get Your Tail Lights Installed. Get $100 Cash Back.\"><\/a>\n<\/div>\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\"> 6<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>A traffic stop is one of the ways police officers use to enforce road laws. It involves the temporary detention&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/why-police-touch-tail-lights-at-a-traffic-stop\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":39726,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"_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":[3769],"tags":[3318],"ppma_author":[2607],"class_list":{"0":"post-39724","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-automotive-world","8":"tag-car-lights-all-articles","9":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why Police Touch Tail Lights at a Traffic Stop - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Wondering why police tap tail lights at a traffic stop? 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