more reward given to engineer
They are getting a slight pay rise next update.
engineer can locate broken car without calling
If people want their vehicle repairing, they call the Mechanic. How can a Mechanic 'detect' where a broken vehicle is and if the owner wants it repaired, makes no sense.
engineer can change car color or even be tune a car
Yeah, this is not as simple as you'd think. Eventually.
can unlock car
What, like break into it instantly? I guess..
can change plate
They already can.
can unwire car
What? Remove the hotwiring? No, because then why would anyone ever buy a vehicle?