2018 Lexus LC500 radio antenna

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3-2. Opening, closing and locking the doors and trunk
Before driving
• The electronic key is near the ground or in a high place, or too close to the center of the rear bumper when the trunk is
opened. • The electronic key is on the instrument panel, rear package tray or floor, or in the
door pockets or glove box when the engine is started or engine 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 doors 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. However, only
the doors detecting the electronic key can be used to unlock the vehicle.
●Even if the electronic key is not inside the vehicle, it may be possible to start the engine if the electronic
key is near the window.
●The doors may unlock or lock if a large amount of water splashes on the door handle, such as in the rain or in a car
wash, when the electronic key is within the effective range. (The doors will auto- matically be locked after approximately
30 seconds if the doors are not opened and closed.)
●If the wireless remote control is used to lock the doors when the electronic key is near the vehicle, there is a possibility that
the door may not be unlocked by the entry function. (Use the wireless remote control to unlock the doors.)
●If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repeatedly. In this case, follow the follow-ing correction procedures to wash the
vehicle: • Place the electronic key in a location 2 m (6 ft.) or more away from the vehicle.
(Take care to ensure that the key is not stolen.)• Set the electronic key to battery-saving
mode to disable the smart entry & start system. ( P.124)
●If the electronic key is inside the vehicle and a door handle becomes wet during a car wash, a message may be shown on
the multi-information display and a buzzer will sound outside the vehicle. To turn off the alarm, lock both side doors.
●If an outside door handle is not retracted during a car wash, a door may be opened
or an outside door handle may be dam- aged. Make sure that the outside door handles are retracted before using the
car wash.
●A sudden handle operation or a handle
operation immediately after entering the effective range may prevent the doors from being unlocked. Touch the door
unlock sensor and check that the doors are unlocked before pulling the door handle again.
●Unlocking the vehicle may take more time if another electronic key is within the
effective range.
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic key within 2 m (6 ft.)
of the vehicle.
●The smart entry & start system can be
deactivated in advance.
■To operate the system properly
●Make sure to carry the electronic key
when operating the system. Do not get the electronic key too close to the vehicle when operating the system from the out-
side of the vehicle. Depending on the position and holding condition of the electronic key, the key
may not be detected correctly and the system may not operate properly. (The alarm may go off accidentally, or the door
lock prevention function may not oper- ate.)
●Do not leave the electronic key inside the

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3-2. Opening, closing and locking the doors and trunk
Before driving
WARNING
■Caution regarding interference with electronic devices
●People with implantable cardiac pace-makers, cardiac resynchronization therapy-pacemakers or implantable
cardioverter defibrillators should maintain a reasonable distance between themselves and the smart
entry & start system antennas. ( P.122) The radio waves may affect the opera-
tion of such devices. If necessary, the entry function can be disabled. Ask any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer for details, such as the fre-quency of radio waves and timing of
the emitted radio waves. Then, consult your doctor to see if you should dis-able the entry function.
●Users of any electrical medical device
other than implantable cardiac pace- makers, cardiac resynchronization therapy-pacemakers or implantable
cardioverter defibrillators should con- sult the manufacturer of the device for information about its operation under
the influence of radio waves. Radio waves could have unexpected effects on the operation of such medi-
cal devices.
Ask any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer for details on disabling the entry
function.

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5-6. Using the other interior features
enabled.
 If the green indicator light flashes, an
emergency call is being made
(either automatically or manually).
 If no indicator lights illuminate, the
system is not enabled.
 If the red indicator light illuminates
any time other than immediately
after the engine switch switch> is turned IGNITION ON
mode , the system may
be malfunctioning or the backup
battery may be depleted. Contact
any authorized Lexus retailer or
Lexus authorized repairer, or any
reliable repairer.
The service life of the backup battery is 3
years or more.
WARNING
■When the Emergency Call may not be made
●Any of the followings may occur. In such cases, report to the Public Safety
Answering Point (PSAP) by other means such as nearby public phones.
• It may sometimes be difficult to con- nect to the Public Safety Answering Point (PSAP) even in the reception
area of the cellular phone due to the reception level, or if the line is busy.In such cases, you may not be able to
connect to the Public Safety Answer- ing Point (PSAP) and thus will not be able to make emergency calls and
report to the emergency departments even though the system tries to con-nect to the Public Safety Answering
Point (PSAP).
• When the vehicle is out of the cellular
phone service area, the Emergency Call cannot be made.
• When any related equipment (such as the “SOS” button panel, indicator lights, microphone, speaker, DCM,
antenna, or any wires connecting the equipment.) has an abnormality, is damaged or broken, the Emergency
Call cannot be made.
• During the Emergency Call, the sys-
tem makes repeated attempts to con- nect to the Public Safety Answering Point (PSAP). However, if it cannot
connect to the Public Safety Answer- ing Point (PSAP) due to poor radio wave reception, the system may not be
able to connect to the cellular network and the call may finish without con-necting. The red indicator light will
blink for approximately 30 seconds to indicate this disconnection.
• This device may not function if a shock is applied to it.