Press the nitrous if you feel you're about to turn the car over and crash as doing this will stabalize the car again.

Unlockable Cars
Complete the indicated area in the listed career to unlock the corresponding car.

Unlock Chevrolet Corvette Z06 - Exotic:
Complete Shady Pine.

Unlock Chevrolet Corvette Z06 - Muscle:
Complete Canmor Downs.

Unlock Dodge Charger SRT-8 - Muscle:
Complete Mason District.

Unlock Dodge Viper SRT-10 - Muscle:
Complete Neon Mile.

Unlock Dodge Viper SRT-10 - Tuner:
Complete Shady Pine.

Unlock Ford GT - Exotic:
Complete Starlight Strip.

Unlock Ford GT - Muscle:
Complete Silverton Refinery.

Unlock Ford GT - Tuner:
Complete Infinity Park.

Unlock Ford Mustang GT - Muscle:
Complete Kempton Holdings.

Unlock Ford Mustang GT - Tuner:
Complete The Projects.

Unlock Ford Musting GT - Exotic:
Complete Kempton Holdings.

Unlock Ford Shelby GT500 - Muscle:
Complete Diamond Hills.

Unlock Lamborghini Gallardo - Exotic:
Complete Diamond Hills.

Unlock Lotus Elise - Exotic:
Complete Ocean View.

Unlock Lotus Elise - Muscle:
Complete Hills Borough.

Unlock Lotus Elise - Tuner:
Complete South Fortuna.

Unlock Mercedes SL65 AMG - Exotic:
Complete Morgan Beach.

Unlock Mercedes SLR McLaren - Exotic:
Complete Neon Mile.

Unlock Mercedes SLR McLaren - Muscle:
Complete Infinity Park.

Unlock Mercedes SLR McLaren - Tuner:
Complete Silverton Refinery.

Unlock Mitsubishi Eclipse GT - Exotic:
Complete Old Quarter.

Unlock Mitsubishi Eclipse GT - Muscle:
Complete Kings Park.

Unlock Mitsubishi Eclipse GT - Tuner:
Complete Old Quarter.

Unlock Nissan 350Z - Tuner:
Complete Diamond Hills.

Unlock Nissan Skyline GT-R R34 - Tuner:
Complete Canmor Downs.

Unlock Plymouth Barracuda - Muscle:
Complete Starlight Strip.

Unlock Porsche Carerra GT - Exotic:
Complete Canmor Downs.

Unlock Porsche Cayman S - Exotic:
Complete Mason District.

Unlock Porsche Cayman S - Muscle:
Complete South Fortuna.

Unlock Porsche Cayman S - Tuner:
Complete Hills Borough.

Unlock Renault Clio V6 - Exotic:
Complete Historic Chinatown.

Unlock Renault Clio V6 - Muscle:
Complete Old Quarter.

Unlock Renault Clio V6 - Tuner:
Complete Fortuna Heights.

Unlock Subaru Impreza WRX STi - Exotic:
Complete Silverton Refinery.

Unlock Subaru Impreza WRX STi - Tuner:
Complete Starlight Strip.

Unlock Toyota Supra - Exotic:
Complete Infinity Park.

Unlock Toyota Supra - Muscle:
Complete Shady Pine.

Unlock Toyota Supra - Tuner:
Complete Neon Mile.

Unlock Vauxhall Monaro VXR - Exotic:
Complete The Projects.

Unlock Vauxhall Monaro VXR - Muscle:
Complete Fortuna Heights.

Unlock Vauxhall Monaro VXR - Tuner:
Complete Kempton Holdings.

Unlock Volkswagen Golf R32 - Tuner:
Complete Morgan Beach.


Unlockable Parts
Complete the indicated area in the listed career to unlock the corresponding part package.

Unlock Brakes (Tier 1) Pro Tuner:
Complete Billings District.

Unlock Brakes (Tier 1) Street Exotic:
Complete Hills Borough.

Unlock Brakes (Tier 2) Pro Exotic:
Complete Billings District.

Unlock Brakes (Tier 2) Pro Muscle:
Complete Billings District.

Unlock Brakes (Tier 2) Pro Tuner:
Complete Ocean View.

Unlock Engine (Tier 1) Pro Muscle:
Complete Morgan Beach.

Unlock Engine (Tier 1) Pro Tuner:
Complete Historic Chinatown.

Unlock Engine (Tier 1) Street Muscle:
Complete The Projects.

Unlock Engine (Tier 1) Street Tuner:
Complete Kings Park.

Unlock Engine (Tier 2) Pro Muscle:
Complete Palmont University.

Unlock Engine (Tier 2) Street Exotic:
Complete Eskuri Plaza.

Unlock Engine (Tier 2) Street Tuner:
Complete Newport Industrial Park.

Unlock Suspension (Tier 2) Pro Exotic:
Complete Kings Park.

Unlock Suspension (Tier 2) Pro Tuner:
Complete Eskuri Plaza.

Unlock Transmission (Tier 1) Pro Muscle:
Complete Eskuri Plaza.

Unlock Transmission (Tier 1) Street Exotic:
Complete South Fortuna.

Unlock Transmission (Tier 1) Street Muscle:
Complete Newport Industrial Park.

Unlock Transmission (Tier 1) Street Tuner:
Complete Mason District.

Unlock Transmission (Tier 2) Pro Exotic:
Complete Newport Industrial Park.

Unlock Transmission - Tier 2 Pro Muscle:
Complete Ocean View.

Unlock Transmission - Tier 2 Pro Tuner:
Complete Palmont University.

Unlock Turbo - Tier 1 Pro Exotic:
Complete Palmont University.

Unlock Turbo - Tier 1 Street Exotic:
Complete Fortuna Heights.

Unlock Turbo - Tier 2 Pro Muscle:
Complete Historic Chinatown.

Successfully complete the indicated task to unlock the corresponding crew member:

Unlock Nikki:
Joins after defeating ALL 3 beginning Bosses.

Unlock Sal:
Joins after 4-6 races.

Unlock Yumi:
Joins after defeating Kenji/Bushido.

Unlock Samson:
Joins after defeating Angie/21st Street.

Unlock Colin:
Joins after defeating Wolf/TFK.

In the Challenge Series menu complete the following events to unlock the corresponding car.

Unlock Mazda RX7 (Tuner):
In the Boss Battle beat Kenji.

Unlock Nissan 240SX (Tuner):
Complete ALL 3 'Checkpoint' challenges.

Unlock Aston Martin DB9 (Exotic):
In the Boss Battle beat Wolf.

Unlock Jaguar XK 2007 (Exotic):
Complete ALL 3 'Turf War' races.

Unlock Dodge Charger RT Classic (Muscle):
Beat the 21st Muscle Car Gang.

Complete the following tasks to unlock the corresponding achievements and their GamerScore.

Online XP Level 1 - GamerScore 5:
Reach Online XP Level 1

Online XP Level 2 - GamerScore 5:
Reach Online XP Level 2

Online XP Level 4 - GamerScore 5:
Reach Online XP Level 4

Perfect Canyon Duel - GamerScore 5:
Win a Canyon Duel with no collisions

Wheels of Steel - GamerScore 5:
Avoid 5 spike strips in a police pursuit while in Career Freeroam

12 Minute Exit - GamerScore 5:
Escape after a 12 minute police pursuit in Career Freeroam

First Steps - GamerScore 5:
Finish an Online Ranked race or Online Challenge Series race

Big Game Hunter - GamerScore 5:
Immobilize a police Rhino while in Career Freeroam

Online Challenge Contender - GamerScore 5:
Beat 5 Challenge Series Events Online

Online XP Level 6 - GamerScore 10:
Reach Online XP Level 6

Online XP Level 9 - GamerScore 10:
Reach Online XP Level 9

Online XP Level 13 - GamerScore 10:
Reach Online XP Level 13

Public Enemy No. 1 - GamerScore 10:
Disable 50 police vehicles while in Career Freeroam

Bronze Challenge Series Champ - GamerScore 10:
Beat all Bronze Challenge Series Events

Hot Streak - GamerScore 10:
Get a 4 game winning streak in Ranked Online games

Pursuit Pandemic - GamerScore 10:
Catch the Pursuit Pandemic by playing an Online Pursuit Tag game with an infected player

Knockout Fever - GamerScore 10:
Catch Knockout Fever by playing an Online Pursuit Knockout race with an infected player

Canyon Craze - GamerScore 10:
Catch Canyon Craze by playing an Online Canyon Duel with an infected player

Lucky Break - GamerScore 10:
Get a 3 game winning streak in Ranked Online games

Urban Freeroam - GamerScore 10:
Win 50 Free Roam Challenges in Career mode

Drift King - GamerScore 10:
Score 500,000 points in a Drift event

Career Mogul - GamerScore 10:
Earn 1,000,000 cash in Career mode

Online Challenge Champ - GamerScore 10:
Beat 15 Challenge Series Events Online

Online Lieutenant - GamerScore 15:
Play 50 games Online

Online XP Level 18 - GamerScore 15:
Reach Online XP Level 18

Online XP Level 23 - GamerScore 15:
Reach Online XP Level 23

Car Collector - GamerScore 15:
Unlock 36 Cars

Online XP Level 29 - GamerScore 20:
Reach Online XP Level 29

Need for Speed - GamerScore 20:
Hit 230 Mph in a Speedtrap

Silver Challenge Series Champ - GamerScore 20:
Beat all Silver Challenge Series Events

Rock Solid - GamerScore 20:
Get a 5 game winning streak in Ranked Online games

The Carbon Plague - GamerScore 20:
Catch the Carbon Plague by catching all 3 other viruses

Fast Wheels - GamerScore 20:
Cause 200,000 Cost to State in a single pursuit while in Career Freeroam

Crusher - GamerScore 25:
Ram 100 police vehicles in a single pursuit while in Career Freeroam

Head Start - GamerScore 25:
Check NeedforSpeed.com to learn how to get this Achievement

Showboat - GamerScore 25:
Cross the finish line in reverse to win a ranked Sprint race

Muscle Head - GamerScore 25:
Fill your Career Garage with only Muscle Cars

Tuner Addict - GamerScore 25:
Fill your Career Garage with only Tuner Cars

Race Week - GamerScore 25:
Complete an Online race during a Race Week

Online General - GamerScore 25:
Play 100 games Online

Exotic Aficionado - GamerScore 25:
Fill your Career Garage with only Exotic Cars

Iron Man - GamerScore 30:
Get a 6 game winning streak in Ranked Online games

Gold Challenge Series Champ - GamerScore 30:
Beat ALL Gold Challenge Series Events

Online XP Level 35 - GamerScore 30:
Reach Online XP Level 35

Moderator Challenge - GamerScore 30:
Beat an EA Moderator in an Online game

Online XP Level 42 - GamerScore 40:
Reach Online XP Level 42

Complete Career - GamerScore 50:
Complete Career Mode

Online XP Level 50 - GamerScore 60:
Reach Online XP Level 50

Conqueror - GamerScore 75:
Complete Career Mode and own every race

Reward Card Hustler - GamerScore 100:
Completed ALL Offline and Online Reward Cards

Enter the following codes quickly at the 'Main' menu and if entered correctly a message will appear as confirmation.

Unlock Inifinte NOS:
Left, Up, Left, Down, Left, Down, Right, X

Unlock Inifinte Crew Charge:
Down, Up, Up, Right, Left, Left, X

Unlock Need for Speed Carbon Logo Vinyls:
Right, Up, Down, Up, Down, Left, Right, X

Unlock Inifinte SpeedBreaker:
Down, Right, Right, Left, Right, Up, Down, X

Unlock Need for Speed Carbon Special Logo Vinyls:
Up, Up, Down, Down, Down, Down, Up, X