navigation system Lexus IS250 2006 Using the interior lights / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNER'S MANUAL (OM53508U)
Page 13 of 433
A
 Without navigation system
Navigation 
system
*1
Clock
 
P. 213
Audio 
system
 
P. 171
Air conditioning
system
P. 162
Rear window and out-
side rear view mirror 
defoggers 
P. 170
Security indicator 
P. 50, 52
Emergency
flashers 
Clock P. 213
Audio system*1
Security indicator 
P. 50, 52
Emergency flashers 
Air conditioning 
system
*1
 With navigation system
: If equipped
*1: Refer to “Navigation 
System Owner's Manual”.
Rear window and 
outside rear view 
mirror defoggers
*1 
Page 14 of 433
C
B
Pictorial indexInstrument panel
 With navigation system Without navigation system
Telephone switch*1
Cruise control switch P. 121, 124
Distance switch  
P. 124
DISP switch P. 110
Speech command switch*1
DISP switch P. 110
Distance switch  
P. 124
Cruise control switch P. 121, 124
 Automatic transmission Manual transmission
TRAC OFF 
switch 
 P. 141
ECT switch P. 93
TRAC OFF 
switch 
 P. 141
ETCS switch P. 96 
Page 15 of 433
D
Rear sunshade switch  P. 225
Trunk opener P. 19
Fuel filler door opener P. 47
Headlight cleaner switch  P. 120
Satellite switches P. 214
Instrument panel lightcontrol dial 
P. 101
: If equipped
*1: Refer to “Navigation  System Owner's Manual”. 
Page 151 of 433
133
2-4. Using other driving systems
2
When driving
Lexus parking assist-sensor (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. 109)
Front corner sensor opera-
tion
Rear corner sensor operation
Back sensor operation 
Page 180 of 433
162
3-1. Using the air conditioning system and defogger
Automatic air conditioning system  (without navigation system)
Using the automatic mode
Press .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 automatic mode. (IS350 only) Automatically switches between outside air and recirculated
air modes.
Airflow and outlets are automatically adjusted according to the tempera-
ture setting.
Owners of models equipped with a navigation system should refer to the
“Navigation System Owner's Manual”.
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 removal mode
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 
Page 189 of 433
171
3
Interior features
3-2. Using the audio system
Audio system type (without navigation system)
Owners of models equipped with a navigation system should refer to the
“Navigation System Owner's Manual”.
CD player with changer and AM/FM radio
Type A
Type B 
Page 325 of 433
307
4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
13FR DOOR RH20APower windows, outside rear view 
mirrors
14AM215ASmart access system with push-button 
start
15RH-IG7. 5  A
Seat belts, park assist system, auto-
matic transmission, seat heater and 
ventilator
16FR S/HTR RH15ASeat heaters and ventilators
17ECU-IG RH10A
Power seats, smart access system with 
push-button start, AWD system, out-
side rear view mirrors, VDIM, VSC, 
air conditioning system, pre-collision 
safety 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 1 0 )
●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.