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132
3-2. Opening, closing and locking the doors
HIGHLANDER_U
● When an interior alarm sounds
continuously
■ Battery-saving function
The battery-saving function will be
activated in order to prevent the
electronic key battery and the vehi-
cle battery from being discharged
while the vehicle is not operated for
a long time.
● In the following situations, the
smart key system may take some
time to unlock the doors.
• The electronic key has been left in
an area of approximately 6 ft. (2
m) of the outside of the vehicle for
10 minutes or longer.
• The smart key system has not
been used for 5 days or longer.
● If the smart key system has not
been used for 14 days or longer,
the doors cannot be unlocked at
any doors except the driver’s door.
In this case, take hold of the
driver’s door handle, or use the
wireless remote control or the
mechanical key, to unlock the
doors.
■ Turning an electronic key to
battery-saving mode
When battery-saving mode is set,
battery depletion is minimized by
stopping the electronic key from
receiving radio waves.
Press twice while pressing and
holding . Confirm that the elec-
tronic key indicator flashes 4 times.
While the battery-saving mode is
set, the smart key system cannot be
used. To cancel the function, press
any of the electronic key buttons.
■ Conditions affecting operation
The smart key system uses weak
radio waves. In the following situa-
tions, the communication between
the electronic key and the vehicle
may be affected, preventing the
smart key system, wireless remote
control and engine immobilizer sys-
tem from operating properly. (Ways
of coping:P.481)
● When the electronic key battery is
depleted
● Near a TV tower, electric power
plant, gas station, radio station,
large display, airport or other facil-
ity that generates strong radio
waves or electrical noise
● When the electronic key is in con-
tact with, or is covered by the fol-
lowing metallic objects
• Cards to which aluminum foil is
attached
• Cigarette boxes that have alumi-
num foil inside
Situation
Correction
procedure
An attempt was
made to lock the
vehicle while a door
was open.
Close all of
the doors
and lock the
doors again.
Situation
Correction
procedure
The engine switch
was turned to ACC
while the driver’s
door was open (or
the driver’s door was
opened while the
engine switch was in
ACC).
Turn the
engine
switch off
and close
the driver’s
door.
The engine switch
was turned off while
the driver’s door was
open.
Close the
driver’s
door.
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