Lexus IS250 2009 Service Manual page 26

1-2. Opening, closing and locking the doors and trunk
Effective range (areas within which the electronic key is detected)
n
When locking or unlocking
the doors
The system can be operated
1
when the electronic key is
within about 2.3 ft. (70 cm) of
either of the outside front
door handles. (Only the doors
detecting the key can be
operated.)
When unlocking the trunk
The system can be operated
when the electronic key is
within about 2.3 ft. (70 cm) 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.
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