Page 150 of 462

149
2-3. Operating the lights and windshield wipers
2
When driving
08_IS350/250_U_(L/O_0708)
■Rain drop sensor (vehicles equipped with the rain-sensing windshield wipers)
If the wiper switch is turned to “AUTO” position while the “ENGINE START STOP”
switch is in IGNITION ON mode, the wiper operate once to show that “AUTO”
mode is activated.
■Outside rear view mirror defogger activation linked to windshield wiper opera-
tion
The outside rear view mirror defogger automatically turns on when you operate the
windshield wipers.
■If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the wind-
shield washer fluid reservoir.
■Customization that can be configured at Lexus dealer
Settings (e.g. drip prevention function) can be changed. (Customizable features
→ P. 4 3 6 )
CAUTION
■Caution regarding the use of windshield wipers in “AUTO” mode
The windshield wipers may operate unexpectedly if the sensor is touched or the
windshield is subject to vibration in “AUTO” mode. Take care that your fingers or
anything else do not become caught in the windshield wipers.
The sensor judges the amount of raindrops.
Page 192 of 462

Interior features3
191
08_IS350/250_U_(L/O_0708)
3-1. Using the air conditioning system
and defogger ................ 192
Automatic air conditioning system ...................................... 192
Rear window and outside rear view mirror
defoggers ............................. 200
3-2. Using the audio system ........................... 201
Audio system type................... 201
Using the radio....................... 204
Using the CD player ............... 211
Playing back MP3 and WMA discs............................. 217
Optimal use of the audio
system ..................................... 225
Using the AUX adapter ...... 228
Using the steering wheel audio switches ...................... 229
3-3. Using the interior lights .............................. 231
Interior lights list ...................... 231
• Interior lights ........................ 234
• Personal lights ...................... 234 3-4. Using the storage
features ........................ 236
List of storage features......... 236
• Glove box .............................. 236
• Console boxes ..................... 237
• Overhead console.............. 238
• Cup holders .......................... 239
• Bottle holders/ door pockets ......................... 241
3-5. Other interior features ........................ 242
Sun visors ................................. 242
Vanity mirror ........................... 243
Clock ......................................... 244
Satellite switches ................... 245
Ashtrays.................................... 248
Cigarette lighter .................... 249
Power outlet ............................ 250
Seat heaters ............................. 251
Seat heaters and ventilators ............................. 253
Armrest .................................... 255
Rear sunshade ........................ 256
Trunk storage extension ...... 258
Coat hooks .............................. 259
Floor mat .................................. 260
Trunk features ........................... 261
Garage door opener ............ 264
Compass................................... 269
Page 199 of 462

198
3-1. Using the air conditioning system and defogger
08_IS350/250_U_(L/O_0708)
■Using the automatic mode
Fan speed is adjusted automatically in accordance with the temperature setting and
ambient conditions. As a result, the following may occur.
●The system may switch automatically to recirculated mode when the coolest
temperature setting is selected in summer.
●Immediately after the switch is pressed, the fan may stop for a while until warm
or cool air is ready to flow.
●Cool air may flow to the area around the upper body when the heater is on.
■Using the system in recirculated air mode
The windows will fog up more easily if the recirculated air mode is used for an
extended period.
■Window defogger feature
Recirculated air mode may automatically switch to
(outside air) mode in situ-
ations where the windows need to be defogged.
■When outside air temperature approaches 32° F (0°C)
The air conditioning system may not operate even when is pressed.
■When the indicator light on flashes
Press and turn off the air conditioning system before turning it on once
more. There may be a problem in the air conditioning system if the indicator light
continues to flash. Turn the air conditioning system off and have it inspected by your
Lexus dealer.
■Automatic mode for air intake control (IS350 only)
In automatic mode, the system detects exhaust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes.
■Micro dust and pollen filter
●In order to prevent the window from fogging up when the outside air is cold, the
following may occur.
• Outside air mode does not switch to .
• The air conditioning system operates automatically.
• The operation cancels after 1 minute.
●In rainy weather, the windows may fog up. Press .
Page 332 of 462
331
4-3. Do-it-yourself maintenance
4
Maintenance and care
08_IS350/250_U_(L/O_0708)
Fuse layout and amperage ratings■ Engine compartment (type A)
FuseAmpereCircuit
1ABS NO.325 AVDIM
2PWR HTR25 A
3TURN-HAZ15 AEmergency flashers, turn signals
4IG2 MAIN20 AIG2, IGN, GAUGE
5RAD NO.230 AAudio
6D/C CUT20 ADOME, MPX-B
7RAD NO.130 AAudio
8MPX-B10 A
Headlights, front fog lights, parking
lights, license plate lights, windshield
washer, horn, power door lock system,
power windows, power seats, electric
tilt and telescopic steering column,
meter, smart access system with push-
button start, outside rear view mirrors,
air conditioning system, security sys-
tem
9DOME10 AInterior lights, meter
Page 333 of 462
332
4-3. Do-it-yourself maintenance
08_IS350/250_U_(L/O_0708)
FuseAmpereCircuit
10E/G-B60 AFR CTRL-B, ETCS, ALT-S, steering
lock system, exhaust system
11DIESEL GLW80 A
12ABS150 AVSC, VDIM
13RH J/B-B30 APower door lock system, smart access
system with push-button start
14MAIN30 AHeadlight low beams
15STARTER30 ASmart access system with push-button
start
16LH J/B-B30 APower door lock system, SECURITY
17P/ I - B60 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
18EPS80 APo w e r s t e e r i n g
19ALT150 A
LH J/B-AM, E/G-AM, GLW PLG2,
HEATER, FAN1, FAN2, DEFOG,
ABS2, RH J/B-AM, GLW PLG1,
LH J/B-B, RH J/B-B
20GLW PLG150 APTC heater
21RH J/B-AM80 A
OBD, STOP SW, TI&TE, FR P/SEAT
RH, RAD NO.3, ECU-IG RH,
RH-IG, FR S/HTR RH, ACC, CIG,
PWR OUTLET
22ABS230 AVSC
23DEFOG50 ARear window defogger
24FA N 240 AElectric cooling fans
25FA N 140 AElectric cooling fans
26HEATER50 AAir conditioning system
Page 334 of 462
333
4-3. Do-it-yourself maintenance
4
Maintenance and care
08_IS350/250_U_(L/O_0708)
FuseAmpereCircuit
27GLW PLG250 APTC heater
28E/G-AM60 AHeadlight cleaners, front fog lights,
parking lights, air conditioning system
29LH J/B-AM80 A
S/ROOF, FR P/SEAT LH, TV NO.1,
A/C, FUEL/OPEN, PSB, FR WIP,
H-LP LVL, LH-IG, ECU-IG LH,
PA N E L , TA I L , M I R H T R ,
FR S/HTR LH
Page 335 of 462
334
4-3. Do-it-yourself maintenance
08_IS350/250_U_(L/O_0708)■
Engine compartment (type B)
FuseAmpereCircuit
1FR CTRL-B25 AHeadlight high beam, horn
2A/F15 AExhaust system
3ETCS10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
4ALT-S7. 5 ACharging system
5STR LOCK25 ASteering lock
6H-LP CLN30 AHeadlight cleaner
7A/C COMP7. 5 AAir conditioning system
8DEICER25 A
9FR CTRL-AM30 AFront fog lights, parking lights, wind-
shield washer
10IG210 AIgnition system
11EFI NO.210 AFuel system, exhaust system
12H-LP R LWR15 AHeadlight low beam (right)
13H-LP L LWR15 AHeadlight low beam (left)
Page 336 of 462
335
4-3. Do-it-yourself maintenance
4
Maintenance and care
08_IS350/250_U_(L/O_0708)
FuseAmpereCircuit
14F/ P M P25 AFuel system
15EFI25 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
16INJ20 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
17H-LP UPR15 AHeadlight high beams
18HORN10 AHorns
19WA S H E R20 AWindshield washer
20FR TAIL10 AParking lights
21FR FOG15 AFront fog lights