Yes, i own one and the steering wheel locks on me sometimes on accident.
You don't have an airbag
four wheel steering warning light
No. None of the Z32 300zx's have them. (1990-1996) There is no option for it either. The only thing you could do is buy an aftermarket wheel that is smaller.
on the steering wheel
try wiggling the steering wheel it has a lock on it
Remove steering wheel disconnect Quick Connects unscrew switch and pull out put back in same way
wheel
Passenger side front wheel well.
put the key in the ignition and turn the steering wheel and the key at the say time (turn the steering wheel to the left)
next to the steering wheel next to the steering wheel
You can find just about anything you need on E Bay.
below the steering wheel.