2015 Lexus IS250 tow

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.

302
2. INTUITIVE PARKING ASSIST
IS250/350_Navi_U
Approximately 1.6 ft. (50 cm)
Approximately 2.0 ft. (60 cm)
Approximately 3.3 ft. (100 cm)
Approximately 4.9 ft. (150 cm)
zThe diagram shows the detection range of
the sensors. Note that the sensors cannot
detect obstacles that are extremely close to
the vehicle.
z The range of the sensors may change
depending on the shape of the object etc. z
There is dirt, snow or ice on a sensor.
z A sensor is frozen.
z A sensor is covered in any way.
z The vehicle is leaning considerably to one
side.
z On an extremely bumpy road, on an
incline, on gravel, or on grass
z 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.
z There is another vehicle equipped with
parking assist-sensors in the vicinity.
z A sensor is coated with a sheet of spray or
heavy rain.
z The vehicle is equipped with a fender pole
or radio antenna.
z Towing eyelets are installed.
z A bumper or sensor receives a strong
impact.
DETECTION RANGE OF THE
SENSORSSENSOR DETECTION
INFORMATION
Certain vehicle conditions and the sur-
rounding environment may affect the
ability of a sensor to correctly detect an
obstacle. Particular instances where this
may occur are listed below.

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.