Your padlock may be jammed because of dirt or debris inside the lock mechanism, a misaligned shackle, or a damaged key. Try cleaning the lock, lubricating it with graphite powder, and gently tapping it to dislodge any obstructions. If the key still won't turn, it may be worn or the lock may be damaged, requiring professional assistance to fix or replace it.
There may be something jammed inside your ignition. If this is not the problem then you will need to have a new ignition installed.
The key is probably jammed into the ignition by the parking brake you put there
The lock may be jammed because of dirt or debris inside, a misaligned keyway, or a damaged key. This can prevent the key from turning smoothly.
So it would seem. If the ignition is in the column it may also be jammed by the steering wheel lock. Try turning the steering wheel and holding it while turning the ignition key.
turn key over turn key over
cylinders in lock are bad-spring in ignition is broken and jammed-wrong key?
Key
A door lock may be jammed and the key won't turn due to various reasons such as a misaligned lock mechanism, a worn-out key, or debris inside the lock. It is recommended to seek the help of a professional locksmith to diagnose and fix the issue.
Turn the wheel and then try to start it with the key.
My 1965 MGB will not turn off when turn the key to off .
No - a combination padlock has no key; a sequence of numbers opens it
If you have the key and it won't turn the lock cylinder try jiggling the steering wheel while turning the key. If the steering wheel lock is merely jammed that should loosen it enough to turn the key. On the other hand if you don't have the key or the lock itself is jammed you may want to replace the lock cylinder.