Closed Captioning ON OFF apply | reset x Text Display Background Enhancements font Times New Roman Arial Comic Sans size T T T T color share link November 20th, 2013 Rossen: Hidden cameras test tire shops' honesty A hidden camera investigation into how auto shops charge for simple fixes like tire air pressure yielded some surprising results. NBC's Jeff Rossen reports. More video Sponsored Content Now Playing FTC sues controversial energy drink company that targets students Sponsored Content Now Playing New tracking technology could change the way police catch suspects Sponsored Content Now Playing Would you stop someone from using a fake resume at a job interview? Sponsored Content Now Playing Hidden camera: Would you stop a drunk from getting behind the wheel? TRENDING Now Playing Oops! Man drops engagement ring in ocean mid-proposal Now Playing New additions to dictionary: 'Awesome sauce,' 'wine o' clock' Now Playing PTA to parents: Don't bake cupcakes - give us money! Now Playing Ed Sheeran: My lion tattoo is real after all LIFESTYLE Now Playing This sweet photo of a dog and baby melted KLG & Hoda's hearts Now Playing KLG & Hoda celebrate National Toilet Paper Day Now Playing Flip your pills! Make things easier with these life hacks Now Playing Triplets scarred in fire: Healing with lasers, preparing for a wedding Most Watched Now Playing Sponsored Content Alison Parker's boyfriend, station manager honor slain WDBJ journalists Now Playing Sponsored Content Watch these adorable twins pretend to be sleeping Now Playing Sponsored Content Husband of WDBJ shooting survivor: 'She remembers everything that happened' Now Playing Sponsored Content Details emerge about gunman Vester Flanagan Now Playing Sponsored Content Tamron Hall volleys with Serena Williams, Roger Federer Now Playing Sponsored Content Ed Sheeran: My lion tattoo is real after all Now Playing Sponsored Content Donald Trump: Univision's Jorge Ramos was 'totally out of line'