It's easy to discover that unless you have to drive outside of the city, it's best to stick with public transportation. Parking is hard, and cab drivers do not like to share the road with other cars.
Driving into Manhattan will cost you in tolls and also extremely high parking rates. Traffic is really bad, and most cab drivers drive with rage, making it unsafe for others on the road. Parking regulations are strict and vary from street to street. It is suggested to take advantage of the transportation that is provided to the public, through buses and subways.