[wups]

pawn Код:

public OnPlayerKeyStateChange(playerid,newkeys,oldkeys)
{
  if(IsPlayerInAnyVehicleID(playerid)
  {
    if(newkeys & KEY_CROUCH) // key_crouch is the define for H in vehicle.
    {
       MoveObject(Gate.etc.etc.);
       return 1;
    }
  }
}