[mau.tito]

Faz Algo assim .

pawn Код:

if ((newkeys & KEY_YES) && !(oldkeys & KEY_YES) && GetPlayerState(playerid) == PLAYER_STATE_DRIVER)
    {
        if (IsPlayerConnected(playerid) && APlayerData[playerid][LoggedIn] == true)
        {
            if (IsPlayerInAnyVehicle(playerid))
            {
                GetVehicleParamsEx(vehicleid, engine, lights, alarm, doors, bonnet, boot, objective);
                if(lights ==  VEHICLE_PARAMS_OFF)
                   SetVehicleParamsEx(vehicleid, engine, VEHICLE_PARAMS_ON, false, doors, bonnet, boot, objective);
                 if(lights ==  VEHICLE_PARAMS_ON)
                   SetVehicleParamsEx(vehicleid, engine, VEHICLE_PARAMS_OFF, false, doors, bonnet, boot, objective);
            }
        }
    }

Desculpa do mal codigo mas to sem pawn.