Toyota 2012 Highlander Owner's Manual page 18

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Effective range (areas within which the electronic key is
detected)
1-2. Opening, closing and locking the doors
When locking or unlocking
the doors
This system can be operated
when the electronic key is
within about 2.3 ft. (0.7 m) of
either of the outside front
door handles.
When starting the engine
or changing
START
modes
This system can be operated
when the electronic key is
inside the vehicle.
When opening the glass
hatch
unlocking the doors
This system can be operated
when the electronic key is
within about 2.3 ft. (0.7 m) of
the back door handle.
"ENGINE
STOP" switch
and locking or
1
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