Lexus LS460 2011 Owner's Manual page 46

1-2. Opening, closing and locking the doors and trunk

Effective range (areas within which the electronic key is
detected)
44
LS460_EE
When locking or unlock-
ing the doors
The system can be operated
when the electronic key is
within about 70 cm (2.3 ft.)
of an outside door handle.
(Only the doors detecting
the key can be operated.)
When unlocking
trunk
The system can be operated
when the electronic key is
within about 70 cm (2.3 ft.)
of the trunk release button.
When starting the engine
or changing "ENGINE
START STOP" switch
modes
The system can be operated
when the electronic key is
inside the vehicle.
the