I just got a silvia with the HICAS II and HUD.
First of all, i know what HICAS is (4WS), but when does the car use it? Theres a light on the dash that lights up when in use, but what causes it to turn on? It turns on now and then and i dont know why. I thought it would turn on when im going slow or parking, but it comes on when im going about 30km/h straight after the car starts and reaches this speed for the first time, then it turns off and doesnt come back on. Does it have something to do with how sharp i turn the car? or it has to turn on or off by a switch?
Second problem, and this is more serious. I have a digital speedo display, it works no problems. But it doesnt seem to turn on until the car is warmed up, (usually about 5 mins of driving). I realised its not just the speedo, at night, the lights on my dash are affected too. But when warmed up everything is working fine.
Any idea why this is happening, and how to fix.