an app which then acts as the display. The main advantage of this type of backup camera is that it is extremely easy to install and rarely requires professional installation. The installation of these cameras also does not interfere with a car's look as minimal to no drilling or laying of wires is required. However, some wireless cameras are quite expensive. Blind spot monitors and other technology Blind spot monitors are an option that may include more than monitoring the sides of the vehicle. It can include "Cross Traffic Alert", "which alerts drivers backing out of a parking space when traffic is approaching from the sides." Mandates In the United States, the Cameron Gulbransen Kids Transportation Safety Act of 2007 required the United States Department of Transportation to issue backup-collision-safety regulations within three years and require full compliance within four years after final rulemaking. The law specified a statutory deadline of February 2011 for issuing the final regulations. However, under the Obama administration, the USDOT repeatedly granted itself extensions to the deadline, claiming it needed more time to analyze costs and benefits of the requirement. In September 2013, Greg Gulbransen, the father of the child whom the law was named after, along with a group of consumers and advocates submitted a petition to the Second Circuit Court of Appeals, demanding that the USDOT implement regulations on backup cameras within 90 days. About half of model year 2012 automobiles were equipped with backup cameras. On March 31, 2014, three years past its deadline, the U.S. National Highway Traffic Safety Administration announced that it would require all automobiles sold in the United States built beginning in May 2018 to include backup cameras. On October 31, 2016, Transport Canada issued a similar mandate beginning at the same time. See also Automatic parking Blind spot monitor Collision avoidance system Experimental Safety Vehicle (ESV) Intelligent Parking Assist System Intelligent car Lane departure warning system Omniview technology Parking sensors RCA Waterproof Wing mirror Notes External links Advanced driver assistance systems Vehicle safety technologies