Simply kill the person that is with you in the vehicle to end the mission and keep the vehicle for use anytime.
Secret map locations Go to a [email protected] Internet Cafe, log into a computer, and enter " as a URL to view maps that reveal all weapon, health, armor, vehicle, pigeon, ramp/stunt, and entertainment locations.
Parachute ("The Ballad Of Gay Tony" DLC) Successfully complete all base jumps to unlock a parachute at your apartment.
Get any vehicle from any mission ("The Ballad Of Gay Tony" DLC) During transport missions, there will be some cars, boats, and planes that can only be used in those missions.
This code prevents the "One Man Army" and "Walk Free" achievements from being earned.