gearshift

/ˈɡɪrˌʃɪft/
noun
  1. A lever or mechanism used to change the gears in a vehicle, especially a car or truck.
    • In a manual car, you use the gearshift along with the clutch pedal.
    • She pushed the gearshift into reverse and backed out of the driveway.
    • The gearshift on this old tractor is stiff and hard to move.