Unlocking and locking the doors (front door handles only)
Grip the driver’s door handle to unlock the door. Grip the passen- ger’s door handle to unlock all the doors.* Make sure to touch the sensor on the back of the handle.
The doors cannot be unlocked for 3 seconds after the doors are locked.
The door unlock settings can be changed.

Touch the lock sensor (the inden- tation on the upper or lower part of the door handle) to lock the doors.

See also:
Initialization
Items to initialize
The following items must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on the vehicle.
...
Vehicle Service Agreements
If you plan to keep your vehicle for several years or if you accumulate
mileage quickly, you may want to purchase
a Lexus vehicle service agreement.
These agreements cover the
cost of specific r ...
The Lexus Commitment
You have purchased one of the finest vehicles built in the world today, and it
is backed by one of the finest warranties in the industry. This excellent warranty
coverage demonstrates not only our ...
