Pulling the AWD fuse will put it into 2WD mode and those to lights will appear. Previous owner might have pulled the fuse for 2WD and never put it back in.
With the ignition on (i cant remember if the engine needs to be running or not), underneath one of those computers in the boot, is the ATTESSA computer, you will know it because a redlight will be flashing code(s) underneath. Get back to us on the codes and we can help translate to what they're indicating.
Here's the incabin fusebox (under steering wheel) translated and the location of the 4WD fuse: