Lexus RX 450h Owner's Manual page 188

186 3-2. Opening, closing and locking the doors
. Confirm that the electronic key indica-
tor flashes 4 times.
While the battery-saving mode is set, the
smart entry & start system cannot be used.
To cancel the function, press any of the elec-
tronic key buttons.
Conditions affecting operation
■
The smart entry & start system, wireless
remote control and immobilizer system use
weak radio waves. In the following situa-
tions, the communication between the elec-
tronic key and the vehicle may be affected,
preventing the smart entry & start system,
wireless remote control and immobilizer
system from operating properly. (Ways of
coping: P.549)
When the electronic key battery is
●
depleted
Near a TV tower, electric power plant,
●
gas station, radio station, large display,
airport or other facility that generates
strong radio waves or electrical noise
When the electronic key is in contact
●
with, or is covered by the following metal-
lic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil
inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
When other wireless keys (that emit radio
●
waves) are being used nearby
When carrying the electronic key
●
together with the following devices that
emit radio waves
• Portable radio, cellular phone, cordless
phone or other wireless communication
devices
� � � � � � � � � � � � � � � � �
• Another vehicle's electronic key, another
electronic key of your vehicle, or a wire-
less key that emits radio waves
• Personal computers or personal digital
assistants (PDAs)
• Digital audio players
• Portable game systems
If window tint with a metallic content or
●
metallic objects are attached to the rear
window
When the electronic key is placed near a
●
battery charger or electronic devices
When the vehicle is parked in a pay park-
●
ing spot where radio waves are emitted
Note for the entry function
■
Even when the electronic key is within the
●
effective range (detection areas), the sys-
tem may not operate properly in the fol-
lowing cases:
• The electronic key is too close to the win-
dow or outside door handle, near the
ground, or in a high place when the doors
are locked or unlocked.
• The electronic key is near the ground or
in a high place, or too close to the rear
bumper center when the back door is
opened.
• The electronic key is on the instrument
panel, luggage compartment, floor, or in
the door pockets or glove box when the
hybrid system is started or power switch
modes are changed.
Do not leave the electronic key on top of
●
the instrument panel or near the door
pockets when exiting the vehicle.
Depending on the radio wave reception
conditions, it may be detected by the
antenna outside the cabin and the door
will become lockable from the outside,
possibly trapping the electronic key
inside the vehicle.
As long as the electronic key is within the
●
effective range, the doors may be locked
or unlocked by anyone.
Even if the electronic key is not inside the
●
vehicle, it may be possible to start the
hybrid system if the electronic key is near
the window.
The doors may unlock if a large amount
●