Due to the nature of car sales the cash desk tend to look a bit different than normal shops.
To create a pleasant place where you sign the contract and buy your car, you can imitate the light as if it where in a home or another comfortable environment. Try combining many different types of light experiences. From a high performing downlight to a nice looking pendant. Elaborate with light intensity and notice that a lower general light level with strong contrasts can create a more enjoyable experience.