@ 15m00s -- To disable traction control in 4HI, pressing the button doesnt do much. You have to press and hold it until it switches off, about 8 seconds.
Greg, if you watch my Magical Moghoto video, it showcase a Toyota Hilux 2007 model at the end of the video which was approved for the trip. That is a stock standard bakkie. The tour guides at Skeleton Coast Adventures are amazing.