if (strcmp(cmdtext, "/lock", true)==0)
      {
         if(IsPlayerInAnyVehicle(playerid))
         {
            new State=GetPlayerState(playerid);
            if(State!=PLAYER_STATE_DRIVER)
            {
               SendClientMessage(playerid,COLOR_ORANGE,"You can only lock the doors as the driver.");
               return 1;
            }
            new i;
            for(i=0;i<MAX_PLAYERS;i++)
            {
               if(i != playerid)
               {
                  SetVehicleParamsForPlayer(GetPlayerVehicleID(playerid),i, 0, 1);
               }
            }
            SendClientMessage(playerid, COLOR_GREEN, "Vehicle locked!");
             new Float:pX, Float:pY, Float:pZ;
            GetPlayerPos(playerid,pX,pY,pZ);
            PlayerPlaySound(playerid,1056,pX,pY,pZ);
         }
         else
         {
            SendClientMessage(playerid, COLOR_ORANGE, "You're not in a vehicle!");
         }
      return 1;
      }
if (strcmp(cmdtext, "/unlock", true)==0)
   {
      if(IsPlayerInAnyVehicle(playerid))
      {
         new State=GetPlayerState(playerid);
         if(State!=PLAYER_STATE_DRIVER)
         {
            SendClientMessage(playerid,COLOR_ORANGE,"You can only unlock the doors as the driver.");
            return 1;
         }
         new i;
         for(i=0;i<MAX_PLAYERS;i++)
         {
            SetVehicleParamsForPlayer(GetPlayerVehicleID(playerid),i, 0, 0);
         }
         SendClientMessage(playerid, COLOR_GREEN, "Vehicle unlocked!");
         new Float:pX, Float:pY, Float:pZ;
         GetPlayerPos(playerid,pX,pY,pZ);
         PlayerPlaySound(playerid,1057,pX,pY,pZ);
      }
      else
      {
         SendClientMessage(playerid, COLOR_ORANGE, "You're not in a vehicle!");
      }