new Lights[MAX_VEHICLES] = 0;

if(strcmp(cmd, "/lights", true) == 0)
     {
         if(IsPlayerInAnyVehicle(playerid) && GetPlayerState(playerid) == PLAYER_STATE_DRIVER)
         {
             new vehid = GetPlayerVehicleID(playerid);
             {
         if(Lights[vehid ] == 0)
         {
           new engine,lights,alarm,doors,bonnet,boot,objective;
               GetVehicleParamsEx(vid,engine,lights,alarm,doors,bonnet,boot,objective);
      SetVehicleParamsEx(vid,engine,1,alarm,doors,bonnet,boot,objective);
               Lights[vehid ] = 1;
         }
         else if(Lights[vehid ] == 1)
         {
           new engine,lights,alarm,doors,bonnet,boot,objective;
               GetVehicleParamsEx(vid,engine,lights,alarm,doors,bonnet,boot,objective);
      SetVehicleParamsEx(vid,engine,0,alarm,doors,bonnet,boot,objective);
               Lights[vehid ] = 0;
           }
       }
   }
   return 1;
  }