Driver: Parallel Lines Codes -

Cheat Mode
At the pause menu, click on cheats and enter the following codes:

carshow - All vehicles
gunrange - All weapons in your time zone
rollbar - Indestructible cars
gunbelt - Infinite ammunition
zoomzoom - Infinite nitro
steelman - Invincibility
keystone - Passive cops
tooledup - Zero cost

Free Garage
To unlock the Free Garage, You have to max out your cash to $99,999. Once this is filled it will unlock the free garage.

Collecting Stars
Collect the scattered golden stars throughout the map to unlock the following rewards. Note: Everything resets once you get to the 2006 era and collecting another 50 Stars will unlock the same attributes. (There are 100 total in the game)

Double Ammunition Capacity - Collect 30 Stars
Double Car Durability - Collect 40 Stars
Free Vehicle Upgrades - Collect 50 Stars
Health Increase - Collect 10 Stars
Nitrous Increase - Collect 20 Stars

Unlock Modes
Just reach the corresponding amount of miles on your odometer:

Far Out Mode - Reach 900 miles
Night Night Mode - Reach 700 miles
Play as a pedestrian/policeman - Reach 666 miles + melee attack the person you want to play as
Shortest Day Mode - Reach 800 miles