Warnock automotive keeps its customers' wheels rolling all over the garden state. as new jersey's largest family-owned automotive group, warnock sells dodge, ford, jeep, and lexus cars at about a handful of dealerships in east hanover and morristown. the company opened a lexus dealership in whippany in late 2007. the auto group also sells used cars and commercial and fleet units, as well as provides parts and service at its auto body facility. buyers can look for cars on the company's web site and apply for credit online. brother and sister robert and bethanie warnock co-own the dealership group, which was founded by their father donald warnock in 1976.