navigation system Lexus IS250 2008 Owner's Manual

08_IS350/250_U_(L/O_0708)
13
Without navigation system
Navigation
system
*
Clock

P. 244
Audio
system

P. 201
Air conditioning
system
P. 192
Rear window and out-
side rear view mirror
defoggers
P. 200
Security indicator
P. 72, 74
Emergency
flashers
Clock P. 244
Audio system*
Security indicator
P. 72, 74
Emergency flashers
Air conditioning
system
*
With navigation system
∗: If equipped
*: Refer to “Navigation System Owner's Manual”.
Rear window and
outside rear view
mirror defoggers
*
A

08_IS350/250_U_(L/O_0708)
14
Pictorial indexInstrument panel
With navigation system Without navigation system
Telephone switch*
Cruise control switch P. 152, 155
Distance switch ∗
P. 155
“DISP” switch P. 140
Talk switch*
“DISP” switch P. 140
Distance switch ∗
P. 155
Cruise control switch P. 152, 155
Automatic transmission Manual transmission
TRAC/VSC OFF
switch
∗ P. 172
ECT switch P. 123
TRAC/VSC OFF
switch
∗ P. 172
ETCS switch P. 126
B
C

08_IS350/250_U_(L/O_0708)
15
D
Rear sunshade switch ∗ P. 256
Trunk opener P. 41
Fuel filler door opener P. 69
Headlight cleaner switch ∗ P. 151
Satellite switches P. 245
Instrument panel lightcontrol dial
P. 131
∗: If equipped
*: Refer to “Navigation System Owner's Manual”.

140
2-2. Instrument cluster
08_IS350/250_U_(L/O_0708)
Trip informationWithout navigation system Display items can be switched by
pushing the “DISP” switch.
With navigation system
■ Outside temperature
Displays the outside air temperature.
The temperature range that can be displayed is from
-40
°F (40°C) to 122°F (50°C).
When the temperature drops to 37°F (3°C), the dig-
its of the display will flash for 10 seconds.

164
2-4. Using other driving systems
08_IS350/250_U_(L/O_0708)
Intuitive parking assist (if equipped)
The distance to obstacles measured by the sensors is communicated via
the multi-information display and a buzzer when parallel parking or
maneuvering into a garage. Always check the surrounding area when
using this system.
For vehicles equipped with a navigation system, refer to the separate “Navi-
gation System Owner’s Manual” for further details.
■Types of sensors
Front corner sensors
Rear corner sensors
Back sensors
■ Multi-information display ( →P. 139)
Front corner sensor opera-
tion
Rear corner sensor operation
Back sensor operation

192
08_IS350/250_U_(L/O_0708)
3-1. Using the air conditioning system and defogger
Automatic air conditioning system
Using the automatic modePress .The air conditioning system will begin to operate. Air outlets
and fan speed are automatically adjusted according to the
temperature setting.
Press to switch to automa tic mode. (IS350 only)
Automatically switches between outside air and recirculated
air modes.
Airflow and outlets are automatically adjusted according to the tempera-
ture setting.
With navigation system
Owners of models equipped with a navigation system should refer to the
“Navigation System Owner's Manual”.
Without navigation system
Automatic mode
Driver’s side temperature
setting display Changes the air outlets used
Off Fan speed
Airflow display
Fan speed display
Passenger’s side temperature
setting displayMicro dust and
pollen filter
Driver's side temperature
control Air conditioning on/off switch Outside air or recirculated modeFront windshield defoggerPassenger’s side
temperature control
Dual operation switch
STEP1
STEP2

201
3
Interior features
08_IS350/250_U_(L/O_0708)
3-2. Using the audio system
Audio system type
With navigation system
Owners of models equipped with a navigation system should refer to
the “Navigation System Owner's Manual”.
Without navigation system (type A)
CD player with changer and AM/FM radio
Without navigation system (type B)
CD player with changer and AM/FM radio

339
4-3. Do-it-yourself maintenance
4
Maintenance and care
08_IS350/250_U_(L/O_0708)
FuseAmpereCircuit
13FR DOOR RH20 APo w e r w i n d o w s , o u t s i d e r e a r v i e w
mirrors
14AM215 ASmart access system with push-button
start
15RH-IG7. 5 A
Seat belts, intuitive parking assist,
automatic transmission, seat heater
and ventilator
16FR S/HTR RH15 ASeat heaters and ventilators
17ECU-IG RH10 A
Power seats, smart access system with
push-button start, AWD system, out-
side rear view mirrors, VDIM, VSC,
air conditioning system, pre-collision
seat belt, electric tilt and telescopic
steering, power windows, navigation
system
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. (
→P. 3 4 2 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in the circuits
The fuses are designed to blow before the entire wiring harness is damaged.

5
When trouble arises
389
5-2. Steps to take in an emergency
08_IS350/250_U_(L/O_0708)
CAUTION
■When using the compact spare tire
●Remember that your compact spare tire is specifically designed for use with your
vehicle. Do not use your compact spare tire on another vehicle.
●Do not use two compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the compact spare tire attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & Brake assist
●VSC
●TRAC
●Navigation system (if equipped)
Also, not only can the following system not be utilized fully, it may actually negatively
effect the drive-train components:
●AWD system

Index
445
08_IS350/250_U_(L/O_0708)
Abbreviation list ..................... 446
Alphabetical index .................. 448
What to do if... ........................ 458
For details of equipment related to the navigation system,
such as the audio system, refer to the “Navigation System
Owner's Manual”.