public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
     new string[256];
  new sendername[MAX_PLAYER_NAME];
  new pveh = GetVehicleModel(GetPlayerVehicleID(playerid));
  new newcar = GetPlayerVehicleID(playerid);
     if(newkeys == KEY_JUMP)
     {
         if(IsPlayerInAnyVehicle(playerid))
         {
    if(IsPlayerConnected(playerid))
    {
     if(!engineOn[GetPlayerVehicleID(playerid)])
     {
      if(GetPlayerState(playerid) == PLAYER_STATE_PASSENGER)
      {
       return 1;
      }
      if(IsAnOwnableCar(newcar))
      {
          if(PlayerInfo[playerid][pPcarkey] == newcar) { }
       else if(PlayerInfo[playerid][pPcarkey2] == newcar) { }
       else if(PlayerInfo[playerid][pPcarkey3] == newcar) { }
       else { return 1; }
      }
      if(pveh == 510 || pveh == 462 || pveh == 481 || pveh == 509)
      {
       return 1;
      }
      if(newcar == 59 || newcar == 60)
      {
       return 1;
      }
      if(newcar >= 135 && newcar <= 154)
      {
          if(HireCar[playerid] != newcar)
          {
        return 1;
       }
      }
      if(IsAHarvest(newcar))
      {
          return 1;
      }
      if(IsADrugHarvest(newcar))
      {
          return 1;
      }
      if(IsAPlane(newcar))
      {
       return 1;
      }
      if(IsASweeper(newcar))
      {
       return 1;
      }
      if(gEngine[playerid] == 1) { return 1; }

      PutPlayerInVehicle(playerid, newcar, 0);
      GetPlayerName(playerid, sendername, sizeof(sendername));
      format(string, sizeof(string), "* %s ïîâîðà÷èâàåò êëþ÷ è çàâîäèò äâèãàòåëü.", sendername);
      ProxDetector(30.0, playerid, string, COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE,COLOR_PURPLE);
      SetTimerEx("StartingTheVehicle",3500,0,"i",playerid);
      GameTextForPlayer(playerid, "~w~STARTING ENGINE...",3500,3);
      gEngine[playerid] = 1;
      return 1;
     }
    }
   }
     }
     else if(newkeys == KEY_SECONDARY_ATTACK)
     {
         if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER)
         {
             if(gEngine[playerid] == 0 && engineOn[newcar] == 0)
             {
     RemovePlayerFromVehicle(playerid);
     TogglePlayerControllable(playerid, 1);
     return 1;
             }
             else if(NoFuel[playerid] == 1)
    {
        TogglePlayerControllable(playerid, 1);
     RemovePlayerFromVehicle(playerid);
     NoFuel[playerid] = 0;
     return 1;
    }
         }
     }
     return 1;
}