In the heart of Neo-New York, the metropolis of towering glass structures bathed in the ethereal glow of neon lights, ajaXing 5000, a sleek autonomous vehicle, cruised down 5th Avenue. The cityscape hummed with the symphony of twinkling lights and constant traffic, yet an unusual tranquility shrouded the streets. The clock struck midnight when an ominous shadow loomed above the city.

AjAXing 5000's onboard holographic map flickered, illuminating the roads with virtual blue lines. The driverless car turned a corner, revealing an empty plaza, abandoned save for an enigmatic black obelisk. A hush fell over the vehicle's AI as it processed this intrusion into the city's rhythm.

The obelisk pulsed with a strange energy, its beam of light bouncing from one neon sign to another, temporarily disrupting the orderly grid of the city. The air grew thick with anticipation and electric currents ground beneath the pavement. The city, which seemed always alive, appeared frozen in time, waiting for the impending revelation.

In the enigma of the Neon Nights, the once bustling streets slipped into silence, offering no clues or warnings. The air was thick with mystery and suspense as ajaXing 5000 continued on its predetermined course, uncertain of the secrets unfolding beyond its travel lane.