When the key is removed from the ignition switch, the steering column lock is engaged.
When the key is in the ignition switch in position (1, see illustration 12.4), the steering column lock cannot be released. The ignition is switched off, all electrical consumers are disconnected. The key can be removed from the lock. To remove the key from the ignition on models with DSG, the selector lever must be in the "P" position. If necessary, press and release the lock release button on the selector lever. If the key remains in the ignition for a long time with the engine switched off and the selector lever is not in the "P" position, the battery is discharged.
12.4 Ignition switch positions
When turning the key to the first position (2 in illustration 12.4) the ignition is switched on. On diesel models, the glow plugs are switched on and you should wait until they are switched off before starting the engine. If the steering wheel was turned when the key was removed from the lock, when turning the key from position "1" to position "2", you should slightly rotate the steering wheel from side to side to release the steering column lock.
When turning the key all the way (3 in illustration 12.4) the starter is engaged, the engine starts. Powerful consumers of electrical energy are switched off for the duration of the starter operation. Release the key immediately after the engine starts - the key will return to position "2". Do not allow the starter to operate for more than 15 seconds. If the engine fails to start, return the key to position "1" and try again, waiting about a minute. A detailed description of the procedure for starting and switching off the engine is given in Section 20.
To turn off the engine, turn the key to position "1". Turn off the engine only when the vehicle is stationary. Turning off the engine while driving makes it difficult to stop the vehicle, may result in loss of control of the vehicle, and may cause serious injury. When the engine is turned off, the auxiliary brake and steering systems do not operate. SRS system and other safety systems. Never turn the key to position "1" when the vehicle is moving.