Toyota LEXUS LS430 2005 Manual page 248

Automatic tilt−away*
In case of the smart key system:
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When the smart key system is used, turning the ignition
switch 1 to the "LOCK" position moves the steering
column forward away from the driver and also tilts it up for
easy exit and entry.
When you push in the ignition switch, the steering column
returns to the previously set position.
NOTE:
* This feature can be deactivated.
Ask your Lexus dealer for details.
STEERING WHEEL AND MIRRORS
When the key is inserted into the ignition:
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When you remove the smart key 2 or ignition key 3 ,
the steering column moves forward away from the driver
and also tilts up for easy exit and entry.
When you insert the key in the ignition switch, the steering
column returns to the previously set position.
NOTE:
* This feature can be deactivated.
Ask your Lexus dealer for details.
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