I have all those options maxed out on mine, as you said blis and lka are good and comes of use quite often especially depending on careless drivers around doing too much of a lane switching. however most fun is the acc, especially when stuck on traffic driving around 15-20 mp/h gets tiring after sometime, so I just turn it on and set it to like 30 mp/h and the acc does what its suppose to, so I can relax my foot a bit and watch a dvd or tv with tv free which I just got installed. DAC I only saw active once driving for 4 hours straight.