When you complete the specified requirement the corresponding effect will become enabled.
Unlimited Sprint - Complete ALL 5 Paramedic mission levels with 100% lives saved.
Unlock Better Body Armour - Complete ALL 5 Vigilante mission levels with a 100% kill rate.
Immunity to Fire - Complete the Firefighter missions with a 'Gold' rank.
Regenerating Health - Complete both noodle delivery missions with a 'Gold' rank.
Upgraded Delivery Bag - Complete both mail courier missions with a 'Gold' rank.
Ammu-nation Store Discount - Earn Gold medals on ALL weapons at the gun club.
Bulletproof Taxis - Drop off 15 consecutive passengers without the timer running out. ALL taxis that you then enter will be bulletproof.
When you complete the following tasks the corresponding vehicle will become available at the Boabo auto dealer.
Unlock 500 XLR8 - Get a Bronze or better medal in ALL Algonquin races.
Unlock Banshee - Complete the 'Weapons of Mass Destruction' mission.
Unlock Bulldozer - Complete the 'Counterfeit Gangster' mission.
Unlock Cityscape - Get a Bronze or better medal in ALL time trials.
Unlock Cognoscetti - Complete the mission 'Grave Situation'.
Unlock Comet - Complete the 'Jackin Chan' mission.
Unlock Coquette - Complete the 'Raw Deal' mission.
Unlock Formula R - Get a Bronze or better medal in ALL street races.
Unlock Go-Kart - Get a Bronze or better medal in ALL Go-Kart time trials.
Unlock Hearse - Complete the 'Wheelman' mission.
Unlock Hellenbach - Complete the 'Bomb Disposal' mission.
Unlock Infernus - Complete the 'Cash & Burn' mission.
Unlock Limo - Complete ALL of Guy's missions.
Unlock MK GT9 - Get a Bronze or better medal in ALL Broker and Dukes races.
Unlock NRG 900 - Complete the 'Wheelman' mission.
Unlock Patriot - Complete the 'Wheelman' mission.
Unlock Resolution X - Complete the 'Pimp His Ride' mission.
Unlock Rhino - Complete ALL story missions.
Unlock Sabre GT - Complete the 'Operation Northwood' mission.
Unlock Style SR - Get a Bronze or better medal in ALL Bohan races.
Quickly Hotwire Car
To do this get in a car and when the Hotwire option appears click the X and then get out of the car. If you then immediately get back in the car it will already be started.
Fast money making
On one of your missions, Kenny will ask you to deliver then buy drugs. Buy drugs with a green plus on the side then sell them to other dealers (you make money) the ones with red minuses means you lose money. You must seek out drug dealers which are little blue dots on your map. After you talk to them they end up being suitcases on your map. Once you visit one you can also locate them on your gps.
Cheats are entered on your Mission Replay Board which can be accessed by visiting any Safe House (you can find the Board on the far right side of the Safe House). The Mission Replay Board has a jumbled set of magnetized letters that can be used to arrange all kinds of words. You'll ahve to spell out the letters below to input the following cheats:
CASHIN - Grants $10,000 extra cash.
COPOUT - Lowers your wanted level by 1 star.
COPIN - Raises your wanted level by 1 star.
SHELLY - Refills your armor to full.
LIFEUP - Refills your life to full.
LOADOD - Grants: flashbang, bat, pistol, rpg, carbine, micro smg, stubby shotgun
LOADOA - Grants: grenade, nightstick, pistol, minigun, assault, micro smg, stubby shotgun
LOADOC - Grants: mine, chainsaw, revolver, flamethrower, carbine, smg, dual-barrel
LOADOB - Grants: molotov, teaser, dual pistols, flamethrower, carbine, smg, dual-barrel