Ignition switch - petrol engine start, pre-glow device - diesel engine start
The steering is locked, the ignition is off.
I steering unlocked, ignition off.
II Ignition is on, pre-heating is on on the diesel engine.
III engine start (gearbox in neutral).
Unlocking the steering wheel: turn the wheel slightly, turn the key to position I
Steering wheel lock: turn the key to position B, turn the steering wheel until the lock engages (hear a click).
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