Headlights technique taught to me by the veritable King of car photography, Taly Noy.
Smallest possible aperture and if needed an ND filter to slow the exposure right down. Longer the better Have assistant inside car but out of sight. (Weight of assistant as a bonus lowers the vehicle's suspension making it look even sexier). Start exposure with lights off. After an appropriate time has elapsed get assistant to turn on lights for a second or so then off again.
Job done. If there is no assistant you can cap the lens while operating the lights yourself.

Certainly getting there. Nice image well spotted. The tints work for me too. Could you lose the window on the right though? The pots are suffering a little distortion as a result of the wide angel so I do think you need a longer lens and to "elevate the shot" try shooting from a lower prospective. That will make the door more dominant and the scuffy earth inside the pots will be less noticeable.