Editing Electronic stability control (section)

===Cost===
ESC is built on top of an anti-lock brake system, and all ESC-equipped vehicles are fitted with traction control. ESC components include a yaw rate sensor, a lateral acceleration sensor, a steering wheel sensor, and an upgraded integrated control unit. In the US, federal regulations have required that ESC be installed as a standard feature on all passenger cars and light trucks as of the 2012 model year.<ref name="Sullivan">{{cite web|last=Sullivan |first=Bob |url=http://redtape.msnbc.com/2010/03/toyota-woes-raise-ghost-in-the-machine-fears.html |title=Red Tape – Who's driving? Toyota woes raise car tech fears |publisher=Redtape.msnbc.com |access-date=2011-11-13 |url-status=dead |archive-url=https://web.archive.org/web/20110316142045/http://redtape.msnbc.com/2010/03/toyota-woes-raise-ghost-in-the-machine-fears.html |archive-date=March 16, 2011 }}</ref> According to NHTSA research, [[Anti-lock braking system|ABS]] in 2005 cost an estimated [[United States dollar|US$]]368; ESC cost a further US$111. The retail price of ESC varies; as a stand-alone option it retails for as little as US$250.<ref name="usatoday.com">{{cite web|url=https://www.usatoday.com/money/autos/reviews/healey/2008-03-20-toyota-corolla_N.htm |title=New Toyota Corolla solid but not very exciting |publisher=Usatoday.com |date=2008-03-21 |access-date=2011-11-13}}</ref> ESC was once rarely offered as a sole option, and was generally not available for aftermarket installation. Instead, it was frequently bundled with other features or more expensive trims, so the cost of a package that included ESC was several thousand dollars. Nonetheless, ESC is considered highly cost-effective<ref>{{cite web |url=http://www.chooseesc.eu/download/press/University%20of%20Cologne_ESC_cost_benefit.pdf |title=Cost-Benefit-Analysis of the Electronic Stability Program (ESP) |access-date=2011-11-13 |archive-url=https://web.archive.org/web/20120419120804/http://www.chooseesc.eu/download/press/University%20of%20Cologne_ESC_cost_benefit.pdf |archive-date=2012-04-19 |url-status=dead }}</ref> and may pay for itself in reduced insurance premiums.<ref>{{cite web | date = 2008-01-29 | url = http://www.wisbusiness.com/index.iml?Article=116777 | title = Farmers Insurance Introduces Auto Insurance Electronic Stability Control (ESC) Discount In Wisconsin | work = WisBusiness | publisher = WisPolitics | access-date = 2008-10-23 | archive-date = 2008-05-15 | archive-url = https://web.archive.org/web/20080515203836/http://www.wisbusiness.com/index.iml?Article=116777 | url-status = dead }}</ref>