Used Car Salesman

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Used Car Salesman is a Halo 3 achievement. It is awarded for destroying a vehicle with 3 enemies in it in either *ranked* online or campaign. Unlocking this Achievement gives you the Scout Helmet for Spartan Armor customization. There is also a campaign glitch where you destroy a phantom's turret with a machine gun or plasma grenade.

Note

 * The vehicle has to be completely destroyed with all the people in it. Ex. If you shoot a rocket(SPNKr) at a Prowler and kill all the people on, if the vehicle isn't actually destroyed (you can still ride it) you will not get the achievement.
 * One way to use the glitch is to simply stick a plasma grenade on a Phantom's front turret, destroying it.

Related Links

 * Halo 3 Achievements