The blinks are for using indicators. You can set the number of blinks so when you move the indicator slightly (without getting the 'click' that moves it to full on) you get a set number of blinks. Useful for changing lanes on motorways, and a pretty common feature on modern cars.
Random I cant help you with as I just use the album/playlist mode on mine! Have you looked at the manual on the intravee forum?
Random I cant help you with as I just use the album/playlist mode on mine! Have you looked at the manual on the intravee forum?