You should look through the how-to locker and
http://svx-iw.com/ for more information about the SVX as you will find out a LOT about the car!
Sometimes the cruise button on the dash gets a little worn and you may have to press it a few times before the light comes on.
The ABS computer is located under the passenger seat and has an LED on it that flashes the code(s). You can life a flap in the carpet to see the LED.
Does your car have the stock stereo? It's possible the stereo cage was removed then not reinstalled properly.
p.s. Welcome to the site and enjoy your stay!