Controls and features -> Ignition lock for your BMW 3 Series 1997-2006

Driving  
66 Ignition lock  
Once the ignition has been switched  
off, ignition key in position 0 or  
removed, the radio functions are still  
available for approx. 20 minutes. Turn  
the radio back on to use it.  
Steering unlocked  
You will find that it is often easier to turn  
the ignition key from position 0 to posi-  
tion 1 when you move the steering  
wheel slightly to help disengage the  
lock.  
Ignition key positions  
0 Steering locked  
Individual electrical accessories are  
ready for operation.  
1 Steering unlocked  
2 Ignition switched on  
3 Starting engine  
Steering locked  
The key can be inserted or removed in  
this position only.  
After removing the key, turn the steer-  
ing wheel slightly to the left or right until  
the lock engages.  
If the key is not removed, an acoustic  
signal is sounded after the driver's door  
has been opened.