NOTE: This only works on 1493 update.
Citizen.InvokeNative(0x47AED84213A47510, true)
Citizen.InvokeNative(0x477D9DB48F889591, "RADIO_22_DLC_BATTLE_MIX1_RADIO", false)
That’s it. That’s all it takes to activate LSUR.
The real natives are currently unknown.
void _UPDATE_LSUR(BOOL enableMixes); // 0x47AED84213A47510
void _SET_RADIO_STATION_DISABLED(const char* radioStationName, BOOL toggle); // 0x477D9DB48F889591