Hyundai Motor Co. is taking the showroom to the home with its new Equus vehicle. Potential customers interested in buying the auto maker's luxury vehicle can request a showing and test drive of the vehicle at their own home.

The auto maker is also offering Equus owners a "valet" service. Owners who have a problem need only call for a service representative who will come out and if it needs to be taken in for repairs will leave a loaner vehicle.

While...