2015 Lexus IS250 roof

161
6. TIPS FOR THE NAVIGATION SYSTEM
IS250/350_Navi_U
NAVIGATION SYSTEM
3
zAccurate current position may not be
shown in the following cases:
• When driving on a small angled Y-shaped
road.
• When driving on a winding road.
• When driving on a slippery road such as in sand, gravel, snow, etc.
• When driving on a long straight road.
• When freeway and surface streets run in parallel.
• After moving by ferry or vehicle carrier.
• When a long route is searched during high speed driving.
• When driving without setting the current position calibration correctly.
• After repeating a change of direction by going forward and backward, or turning
on a turntable in a parking lot.
• When leaving a covered parking lot or parking garage.
• When a roof carrier is installed.
• When driving with tire chains installed.
• When the tires are worn.
• After replacing a tire or tires.
• When using tires that are smaller or larger than the factory specifications.
• When the tire pressure in any of the 4 tires is not correct. z
Inappropriate route guidance may occur in
the following cases:
• When turning at an intersection off the
designated route guidance.
• If you set more than 1 destination but skip any of them, auto reroute will display a
route returning to the destination on the
previous route.
• When turning at an intersection for which there is no route guidance.
• When passing through an intersection for which there is no route guidance.
• During auto reroute, the route guidance may not be available for the next turn to
the right or left.
• During high speed driving, it may take a long time for auto reroute to operate. In
auto reroute, a detour route may be
shown.
• After auto reroute, the route may not be changed.
• If an unnecessary U-turn is shown or announced.
• If a location has multiple names and the system announces 1 or more of them.
• When a route cannot be searched.
• If the route to your destination includes gravel, unpaved roads or alleys, the route
guidance may not be shown.
• Your destination point might be shown on the opposite side of the street.
• When a portion of the route has regula- tions prohibiting the entry of the vehicle
that vary by time, season or other reasons.
• The road and map data stored in the navi- gation system may not be complete or
may not be the latest version.
z If the vehicle cannot receive GPS signals,
the current position can be adjusted
manually. For information on setting the
current position calibration: →P. 1 5 5
zAfter replacing a tire: →P. 1 5 6

196
2. RADIO OPERATION
IS250/350_Navi_U
INFORMATION
●XM Radio Services  Descriptions
• Radio and Entertainment XM offers more than 170 satellite radio
channels of commercial-free music and
premier sports, news, talk, and enter-
tainment. XM is broadcast via satellites
to millions of listeners across the conti-
nental United States. XM subscribers
listen to XM on satellite radio receivers
for the car, home, and portable use.
More information about XM is available
online at www.siriusxm.com (U.S.A.) or
www.xmradio.ca (Canada).
● XM Radio Services  Subscription
Instructions
• For XM Services requiring a subscrip-
tion (such as XM Radio, and some Info-
tainment & data services), the following
paragraph shall be included.
Required XM Radio and some Infotain-
ment & data services monthly subscrip-
tions sold separately after trial period.
Subscription fee is consumer only. All
fees and programming subject to
change. Subscriptions are subject to the
Customer Agreement available at
www.siriusxm.com. XM service only
available in the 48 contiguous United
States.  2011 Sirius XM Radio Inc. Sir-
ius, XM and all related marks and logos
are trademarks of Sirius XM Radio Inc.
All other marks, channel names and
logos are the property of their respec-
tive owners.
For more information, program sched-
ules, and to subscribe or extend sub-
scription after complimentary trial
period; more information is available at:
USA Customers:
Visit www.siriusxm.com or call
1-866-635-2349
INFORMATION
● XM Satellite Radio is solely responsible
for the quality, availability and content of
the satellite radio services provided,
which are subject to the terms and condi-
tions of the XM Satellite Radio customer
service agreement.
● Customers should have their radio ID
ready; the radio ID can be found by tun-
ing to “Ch 000” on the radio. For details,
see “DISPLAYING THE RADIO ID”
below.
● All fees and programming are the
responsibility of XM Satellite Radio and
are subject to change.
SATELLITE TUNER
TECHNOLOGY NOTICE
Lexus’s satellite radio tuners are award-
ed Type Approval Certificates from XM
Satellite Radio Inc. as proof of compati-
bility with the services offered by XM
Satellite Radio.
INFORMATION
● Satellite tuner
The tuner supports only Audio Services
(Music and Talk) and the accompanying
Te x t I n f o r m a t i o n o f X M
® Satellite Radio.

249
6. TIPS FOR OPERATING THE AUDIO/VISUAL SYSTEM
IS250/350_Navi_U
AUDIO/VISUAL SYSTEM
4
zCargo loaded on the roof luggage carrier,
especially metal objects, may adversely
affect the reception of XM Satellite Radio.
z Alternation or modifications carried out
without appropriate authorization may
invalidate the user’s right to operate the
equipment.
z This DVD player is intended for use with
4.7 in. (12 cm). discs only.
z Extremely high temperatures can keep the
DVD player from working. On hot days,
use the air conditioning system to cool the
inside of the vehicle before using the player.
z Bumpy roads or other vibrations may make
the DVD player skip.
z If moisture gets into the DVD player, the
discs may not be able to be played. Remove
the discs from the player and wait until it
dries. z
Use only discs marked as shown above.
The following products may not be playable
on your player:
•SACD
•dts CD
• Copy-protected CD
•DVD audio
•Video CD
•DVD-RAM
XM
DVD PLAYER AND DISC
CAUTION
● The DVD player uses an invisible laser
beam which could cause hazardous radi-
ation exposure if directed outside the
unit. Be sure to operate the player cor-
rectly.
DVD PLAYER
Audio CDs
DVD video
discs
DVD-R/RW
discs

262
IS250/350_Navi_U
1. VOICE COMMAND SYSTEM OPERATION
1. VOICE COMMAND SYSTEM
Talk switch
zPress the talk switch to start the voice com-
mand system.
z To cancel voice recognition, press and hold
the talk switch. z
It is unnecessary to speak directly into the
microphone when giving a command.
The voice command system enables the
navigation, audio/visual, hands-free and
air conditioning systems to be operated
using voice commands.
Refer to the command list for samples of
voice commands. ( →P. 271)
USING THE VOICE
COMMAND SYSTEM
STEERING SWITCH
MICROPHONE
INFORMATION
●Wait for the confirmation beep before
speaking a command.
● Voice commands may not be recognized
if:
•Spoken too quickly.
• Spoken at a low or high volume.
• The roof or windows are open.
• Passengers are talking while voice com-
mands are spoken.
• The air conditioning speed is set high.
• The air conditioning vents are turned towards the microphone.
● In the following conditions, the system
may not recognize the command prop-
erly and using voice commands may not
be possible:
• The command is incorrect or unclear. Note that certain words, accents or
speech patterns may be difficult for the
system to recognize.
• There is excessive background noise, such as wind noise.

276
2. MOBILE ASSISTANT OPERATION
IS250/350_Navi_U
MICROPHONE
It is not necessary to speak directly into
the microphone when using the Mobile
Assistant. (Microphone location: See
page 262.)
INFORMATION
● Wait for the listening beeps before using
the Mobile Assistant.
● The Mobile Assistant may not recognize
commands in the following situations:
• Spoken too quickly.
• Spoken at a low or high volume.
• The roof or windows are open.
• Passengers are talking while the Mobile Assistant is being used.
• The air conditioning speed is set high.
• The air conditioning vents are turned toward the microphone.

292
1. LEXUS PARKING ASSIST MONITOR
IS250/350_Navi_U
THE CAMERA
The camera for the parking assist moni-
tor is located as shown in the illustration.
USING THE CAMERA
If the camera lens becomes dirty, it can-
not transmit a clear image. If water drop-
lets, snow or mud adhere to the lens,
rinse with water and wipe with a soft
cloth. If the lens is extremely dirty, wash
it with a mild cleanser and rinse.
NOTICE
● The parking assist monitor may not oper-
ate properly in the following cases.
• If the back of the vehicle is hit, the posi- tion and mounting angle of the camera
may change.
• As the camera has a water proof con- struction, do not detach, disassemble or
modify it. This may cause incorrect
operation.
• Do not strongly rub the camera lens. If the camera lens is scratched, it cannot
transmit a clear image.
• Do not allow organic solvent, car wax, window cleaner or a glass coating to
adhere to the camera. If this happens,
wipe it off as soon as possible.
• If the temperature changes rapidly, such as when hot water is poured on the
vehicle in cold weather, the system may
not operate normally.
• When washing the vehicle, do not apply intensive bursts of water to the camera
or camera area. Doing so may result in
the camera malfunctioning.
● Do not expose the camera to strong
impact as this could cause a malfunction.
If this happens, have the vehicle
inspected by your Lexus dealer as soon
as possible.

314
1. PHONE OPERATION (HANDS-FREE SYSTEM FOR CELLULAR PHONES)
IS250/350_Navi_U
zThe following data is stored for every regis-
tered phone. When another phone is con-
nected, the following registered data
cannot be read:
• Contact data
•Call history data
•Favorites data
• Image data
• All phone settings
• Message settings
INFORMATION
● The other party’s voice will be heard from
the front speakers. The audio/visual sys-
tem will be muted during phone calls or
when hands-free voice commands are
used.
● Talk alternately with the other party on
the phone. If both parties speak at the
same time, the other party may not hear
what has been said. (This is not a malfunc-
tion.)
● Keep call volume down. Otherwise, the
other party’s voice may be audible out-
side the vehicle and voice echo may
increase. When talking on the phone,
speak clearly towards the microphone.
● The other party may not hear you clearly
when:
• Driving on an unpaved road. (Making excessive traffic noise.)
• Driving at high speeds.
• The roof or windows are open.
• The air conditioning vents are pointed towards the microphone.
• The sound of the air conditioning fan is loud.
•There is a negative effect on sound quality due to the phone and/or network
being used.
ABOUT THE CONTACTS IN
THE CONTACT LIST
INFORMATION
● When a phone’s registration is deleted,
the above-mentioned data is also
deleted.