2011 Lexus IS F radio antenna

45
1-2. Opening, closing and locking the doors and trunk
1
Before driving
IS F_EE
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 outside 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 may not
function.)
Note for the entry function
Even when the electronic key is within the effective range (detection
areas), the system may not operate properly in the following cases.
• The electronic key is too close to the window 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 trunk is unlocked.
• The electronic key is on the instrument panel, rear package tray or
floor, or in the glove box when the engine is started or “ENGINE
START STOP” 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 engine if the electronic key is near the window.
The doors may unlock if a large amount of water splashes on the door
handle, such as in the rain or in a car wash. (The doors will automatically
be locked after approximately 30 seconds if the doors are not opened and
closed.)
Gripping the door handle when wearing a glove may not unlock the
door.
If the wireless remote control is used to lock the doors when the elec-
tronic 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.)
A sudden approach to the effective range or door handle operation may
prevent the doors from being unlocked. In this case, return the door han-
dle to the original position and check that the doors unlock before pulling
the door handle again.

51
1-2. Opening, closing and locking the doors and trunk
1
Before driving
IS F_EE
CAUTION
Caution regarding interference with electronic devices
People with implanted pacemakers or cardiac defibrillators should main-
tain a reasonable distance between themselves and the smart entry & start
system antennas. (P. 3 8 )
The radio waves may affect the operation of such devices. If necessary,
the entry function can be disabled. Ask any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional, for details,
such as the frequency of radio waves and timing of emitting the radio
waves. Then, consult your doctor to see if you should disable the entry
function.
User of any electrical medical device other than implanted pacemakers
and implanted cardiac defibrillators should consult 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 med-
ical devices.
Ask any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional, for details for disabling the entry function.

204
2-4. Using other driving systems
IS F_EE
Sensor detection information
Certain vehicle conditions and the surrounding environment may affect
the ability of the sensor to correctly detect obstacles. Particular instances
where this may occur are listed below.
• There is dirt, snow or ice on the sensor.
• The sensor is frozen.
• The sensor is covered in any way.
• The vehicle is leaning considerably to one side.
• On an extremely bumpy road, on an incline, on gravel, or on grass
• The vicinity of the vehicle is noisy due to vehicle horns, motorcycle
engines, air brakes of large vehicles, or other loud noises producing
ultrasonic waves.
• There is another vehicle equipped with parking assist sensors in the
vicinity.
• The sensor is coated with a sheet of spray or heavy rain.
• The vehicle is equipped with a fender pole or wireless antenna.
• A towing eyelet is installed.
• The bumper or sensor receives a strong impact.
• The vehicle is approaching a tall or curved curb.
• In harsh sunlight or intense cold weather
In addition to the examples above, there are instances in which, because of
their shapes, signs and other objects may be judged by the sensor to be
closer than they are.
The shape of the obstacle may prevent the sensor from detecting it. Pay
particular attention to the following obstacles.
• Wires, fences, ropes etc.
• Cotton, snow and other materials that absorb radio waves
• Sharply-angled objects
•Low obstacles
• Tall obstacles with upper sections projecting outwards in the direction
of your vehicle
If the display flashes and a message is displayed
P. 4 3 1
Customization that can be configured at any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional
Settings (e.g. buzzer volume) can be changed. (Customizable features P.
484)

244
3-2. Using the audio system
IS F_EE
EON (Enhanced Other Network) system (for traffic announcement func-
tion)
If the RDS station (with EON data) you are listening to is not broadcasting a
traffic information program and the audio system is in the TA (traffic
announcement) mode, the radio will be switched automatically to a station
broadcasting a traffic information program in the EON AF list when traffic
information begins.
When the battery is disconnected
Station presets are erased.
Reception sensitivity
Maintaining perfect radio reception at all times is difficult due to the
continually changing position of the antenna, differences in signal
strength and surrounding objects, such as trains, transmitters, etc.
When is used, automatic station selection and automatic register-
ing of stations may not be possible.
The radio antenna is mounted inside the rear window. To maintain clear
radio reception, do not attach metallic window tinting or other metallic
objects to the antenna wire mounted inside the rear window.
Digital Audio Broadcast (DAB) radio
The optional radio antenna and tuner are necessary for the use of Digital
Audio Broadcast (DAB) radio.

491
IS F_EE
Alphabetical index
Alphabetical index
A/C* ..........................................228
ABS ...........................................206
ACCESSORY mode .................146
Air conditioning filter ...............386
Air conditioning system
Air conditioning filter ...........386
Automatic air conditioning
system.................................228
Airbags
Airbag manual ON/OFF
system.................................135
Airbag operating conditions .107
Airbag precautions for your
child....................................111
Airbag warning light ............426
Curtain shield airbag operating
conditions ...........................107
Curtain shield airbag
precautions .........................111
General airbag precautions ...111
Locations of airbags .............105
Modification and disposal of
airbags ................................115
Proper driving posture ..103, 111
Side airbag operating
conditions ...........................107
Side airbag precautions.........111
SRS airbags ..........................105Alarm .......................................... 97
Antenna* .................................. 244
Anti-lock brake system............. 206
Armrest ..................................... 341
Ashtrays .................................... 336
Audio input* ............................. 277
Audio system*
Antenna................................ 244
Audio input .......................... 277
AUX port ............................. 277
Bluetooth
® audio ................. 279
CD player/changer ............... 245
iPod ...................................... 260
MP3/WMA disc................... 252
Optimal use .......................... 275
Portable music player .......... 277
Radio.................................... 241
Steering wheel audio switch 278
USB memory ....................... 268
USB port ...................... 260, 268
Automatic air conditioning
system* .................................. 228
Automatic headlight leveling
system .................................... 174
Automatic light control system 172
A
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s