As 370Zs are getting older we have started to see more and more steering lock failure. This issue will happen without any warning and will cause the car to not start at all (you will not even able to turn the ignition on).
Nissan can quote for a replacement lock unit anywhere between £1300 to £1600 (depending the dealer).
The suggestion of removing the fuse would work only if your lock is still operational, and still carry the risk of the lock get engaged mechanically causing safety is