Two reason why your steering wheel is not turning.One....your ignition key is removed and you have turned the steering wheel to LOCK position.Two your front wheels are pinned against an obstacle so your front wheels are blocked.
Notchy feel when turning the steering wheel Noise from the pump area when wheels are turned Possible stiffness when turning steering wheel.
Turning to the right, when going forward, you turn the steering wheel towards the right.
power steering fluid not filled?
try rocking/turning the wheel while turning the key.
The Steering Column locks the wheel in place and when the steering wheel is locked you cannot turn the key... try turning the key with gentle force while turning the steering wheel back and forth.
A whining noise present when turning the steering wheel indicates a faulty power steering pump. As the pump fails, it allows air to enter the system and a distinct whine.
Low steering fluid can cause a steering wheel to whine when turning. A worn steering belt can also cause a steering wheel to whine when a car is being turned.
Steering Wheel Air bag!
Steering wheel and brake pedal.
Try turning the steering wheel whilst turning the key, most peugeots have a built in steering lock.
Anytime I've ever heard a humming noise when turning the steering wheel on any vehicle,It has always been due to low power steering fluid
check the power steering rack or the steering pump