Gameplay

Vehicle Jack

From Halopedia, the Halo wiki

Vehicle Jack. This medal is slightly different then the Highjacker Medal. Here, you have to kill the highjacked driver.

The Vehicle Jack Medal is a medal awarded in Halo 3: ODST. This medal is similar to the Hijack and Skyjack medals, however the player needs to kill the hijacked driver in order to receive the medal.