Automobile dealers in Las Vegas, Nev. are growing by adding more aftermaket services such as rear mounted radar, night vision,automatic high-beam control, parental control for teen drivers, GPS vehicle tracking, driver capability tools that can sense if a driver is impaired due to over-tiredness or other abnormal driving behaviors and in-car Internet using cellphone technology, according to The Las Vegas Review Journal in Las Vegas. For the full story, click here.