Bounties

Bounties are a feature in Grand Theft Auto Online.

How to get and set a bounty.
If you steal a car, there's a chance that a bounty will set on the player. the bounty can range from $1000 to $9000. Other players have to kill you to get the bounty set on you. Players won't usually go after you if you have a $1000 or $2000 bounty.

How to lose a bounty.
To lose a bounty, you have to stay alive outside of safehouses for 24 in-game hours. You can't lose the bounty by staying in your safehouse. Ways to stay alive long enough to lose your bounty are If you stay alive for 24 hours after having the bounty set on you, it will go away and you'll get the amount of money that was placed on your death, a You have survived the bounty placed on you message, and, if it's your first time surviving a bounty, the Run Like the wind achievment/trophy.
 * Fly around in a plane or helicopter
 * Find a spot where you can glitch under the map. If players try to shoot you, they'll just be shooting the ground above you. This is also a good way to lose and survive wanted levels.
 * Ride on a train. Just make sure to kill any other players that get on the train.

Trivia

 * There is no way to contact or kill the person who placed a bounty on you.
 * Killing the driver of the vehicle will not prevent a bounty being placed on you.