Introduction NV Registration is the company in Las Vegas that offers efficient vehicle registration services, smog check Las Vegas and more, serving the community with quick and hassle-free services for all your registration needs. If you live in Nevada and have a vehicle, you must register it with the Nevada Department of Motor Vehicles. Registering your car ensures that it meets the state's safety and emissions regulations, and that you have the proper insurance coverage to lawfully use it on Nevada's highways.