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I used to drive a BMW 330 and I never experienced lumbar pain. Last year, I bought an IS F sport and every time I drive the IS I am uncomfortable. Somehow, the way the sports seat grabs you around your ribs and by your legs, it makes driving very uncomfortable, shooting pain from my lumbar to my left leg. The pain is never the same, it moves from left to right every time I'm driving my car. I have to keep moving the seat position all the time. The lumbar support exists but you barely feel it, it doesn't make any difference at all. I am an active guy! I swim every day, I walk and sometimes I run and experience no pain at all but every time I drive my car for more than two minutes, the pain is there. I had a guest the other day, and we drove 50 miles and then he said "This seat is hurting the middle of my back...very stiff, not comfortable". Last month I drove 1500 miles over a 24-hour period in a NISSAN VERSA AND I HAD NO PAIN AT ALL. A month later, I drove a Lexus NX about 1600 miles and I had no pain at all. But every time I go to the pool to swim which is just about 10 miles, the moment I sit in that car, I start to feel pain. Please share your story!

I found many topics on issues with intermittent HID headlamp failures but none that refer to something I noticed on my GS300. My left side headlamp often die and then I have to briefly switch off the lights and back on to get it on again. Over time however I noticed that the lamp goes off when in a sharp right turn but only at higher than parking speeds. I then remember reading that the AFS (adaptive front lighting system) only operate at above 6mph and that the right turn (right hand drive) result in a more promenent turn of the lights than when turning left (not sure why but its actually more obvious that the lights turn when turning right than left). My conclusion is therefor that the intermittent problems may have nothing to do with the lamp age (as most people concluded in other posts) but may be linked to the AFS turn mechanism. Does anyone know how the turning mechanism work and if there could indeed be an explanation to this, maybe related to the wires or connector that may be loose or something?

Had exactly the same problem not uncommon. I have solved it by unzipping the seat back and stuffing memory foam and felty stuff in two places 1. Around the hips and 2. just below the shoulder baldes. Diagrams and the reasons why your lumber is hurting is explained by googling "yoga back driving" it has an explanation of where the bolstering should be. You dont have to buy the product you can achieve the same results by reshaping the seat by stuffing things in. Once you have opened the back up and undone everything leave it like that for a week and you can keep adjusting till it feels right. It has completely alleviated the pain and I was in agony and was going to sell it for that reason. let me know how you get on.