lights Lexus IS250 2007 Operating the lights and windshield wipers / LEXUS 2007 IS350/250 (OM53578U) Owner's Guide

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2-3. Operating the lights and windshield wipers
2
When driving
Fog light switch
The fog lights improve visibility in difficult driving conditions, such as in rain
or fog. They can be turned on only when the headlights are on low beam.
To turn the front fog lights off
To turn the front fog lights on

126
2-3. Operating the lights and windshield wipers
Windshield wipers and washer
■Intermittent wiper with interval adjuster (if equipped)
Wiper intervals can be adjusted for intermittent operation (when
INT is selected).
Intermittent windshield wiper
interval adjustment
(increase)
Intermittent windshield wiper
interval adjustment
(decrease)
Intermittent windshield wiper
operation
Low speed windshield wiper
operation
High speed windshield wiper
operation
Temporary operation
Wash/wipe operation
Wipers operate automatically.
(After operating several times,
the wipers operate one more
time after a short delay to pre-
vent dripping.)

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2-3. Operating the lights and windshield wipers
2
When driving
■The windshield wiper and washer can be operated when
The engine switch is in IG-ON mode.
■Effects of vehicle speed on wiper operation
Vehicle speed affects the following even when the wipers are not in AUTO mode.
●Intermittent wiper interval (INT mode)
●Wiper operation when the washer is being used (delay until drip prevention
wiper sweep occurs)
With LO selected, wiper operation will be switched from low speed to intermittent
wiper operation only when the vehicle is stationary.
(However, the mode cannot be switched when the adjustment dial for the intermit-
tent wiper interval is set to the lowest setting.)
■Rain-sensing windshield wipers (if equipped)
With AUTO selected, the wipers will operate automatically when
the sensor detects falling rain. The system automatically adjusts
wiper timing in accordance with rain volume and vehicle speed.
Sensor sensitivity (low)
Sensor sensitivity (high)
Rain-sensing wiper operation
Low speed wiper operation
High speed wiper operation
Temporary operation
Wash/wipe operation
Wipers operate automatically.
(After operating several times,
the wipers operate one more
time after a short delay to pre-
vent dripping.)

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2-3. Operating the lights and windshield wipers
■Rain drop sensor (vehicles equipped with the rain-sensing 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
Settings (e.g. drip prevention function) can be changed. (P. 406)
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 any-
thing else do not become caught in the windshield wipers.
NOTICE
■When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■When there is no washer fluid spray from the nozzle
Damage to the washer fluid pump may be caused if the lever is pulled toward you
and held continually.
The sensor judges the amount of raindrops.

129
2-3. Operating the lights and windshield wipers
2
When driving
Headlight cleaner switch (if equipped)
■The headlight cleaner can be operated when
When the engine switch is in IG-ON mode and the headlight switch is turned ON.
NOTICE
■When the washer fluid tank is empty
Do not use this function when the washer fluid tank is empty. This may cause the
washer fluid pump to overheat.
Washer fluid can be sprayed on the headlights.
Press the switch to clean the
headlights.

137
2-4. Using other driving systems
2
When driving
The system continues follow-up cruising while adjusting for changes in the
speed of the vehicle ahead in order to maintain the vehicle-to-vehicle dis-
tance set by the driver.
Example of acceleration (when there are no longer vehicles driving
slower than the set speed in the lane ahead): When the speed is set to
62 mph (100 km/h) and the vehicle ahead driving at 50 mph (80 km/
h) is out of the lane
When the vehicle ahead of you executes a lane change, the system slowly
accelerates until the set vehicle speed is reached. The system then returns to
fixed speed cruising.
■Dynamic radar cruise control warning lights, messages and buzzers
Warning lights, messages and buzzers are used to indicate a system malfunction or
to alert you to the need for caution while driving. (P. 3 4 4 )
■The dynamic radar cruise can be set when
●The shift lever is in D or the 4, 5 or 6 range of S.
●Vehicle speed is between approximately 27 mph (43 km/h) and 87 mph (139
km/h).
■Accelerating
The vehicle can be accelerated normally.
■Automatically canceling vehicle-to-vehicle distance control
Vehicle-to-vehicle distance control driving is automatically canceled in the follow-
ing situations.
●Vehicle speed falls below 25 mph (40 km/h)
●VSC is activated
●The sensor cannot operate correctly because it is covered in some way.*
●The windshield wipers are operating at high speed.*
●The ECT SNOW switch is set to snow mode.*
*
: Vehicle-to-vehicle distance control driving must be reset by turning the ON-OFF
button on again.
If vehicle-to-vehicle distance control driving is automatically canceled for any other
reason, there may be a malfunction in the system. Contact your Lexus dealer.

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2-4. Using other driving systems
2
When drivingWhen the VSC/TRAC/hill-start assist control systems are operating
If the vehicle is in danger of slip-
ping, rolling backwards when
starting on an incline, or if the rear
wheels (2WD) or 4 wheels
(AWD) spin, the slip indicator light
flashes to indicate that the VSC/
TRAC/hill-start assist control sys-
tems have been engaged.
A buzzer (intermittent) sounds to
indicate that VSC is operating.
The stop lights and high mounted
stoplight turn on when the hill-start
assist control system is operating.
■VDIM (Vehicle Dynamics Integrated Management) (IS350)
Provides integrated control of the ABS, BA, TRAC, VSC, hill-start assist
control, and EPS systems.
Maintains vehicle stability when swerving on slippery road surfaces by
controlling the brakes and engine output.
■PCS (Pre-Collision System) (if equipped)
P. 1 5 4

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2-4. Using other driving systems
2
When driving
■The pre-collision system is operational when
●Seat belt (linked to the radar sensor)
• Vehicle speed is above 3 mph (5 km/h).
• The speed at which your vehicle is approaching the obstacle or oncoming
vehicle exceeds 18 to 24 mph (30 to 40 km/h).
• The front occupants are wearing a seat belt.
●Seat belts (linked to brake operation)
• Vehicle speed exceeds 9 mph (15 km/h).
• The system detects sudden braking or skidding.
• The front occupants are wearing a seat belt.
●Brake Assist
• Vehicle speed is above 18 mph (30 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehicle is
greater than 18 to 24 mph (30 to 40 km/h).
• The brake pedal is depressed.
■Conditions that may trigger the system even if there is no danger of collision
●When there is an object by the roadside at the entrance to a curve
●When passing an oncoming vehicle on a curve
●When driving over a narrow iron bridge
●When there is a metal object on the road surface
●When driving on an uneven road surface
●When passing an oncoming vehicle on a left-turn
●When your vehicle rapidly closes on the vehicle in front
When the system is activated in the situations described above there is also a possi-
bility that the seat belts will retract quickly and the brakes will be applied with a force
greater than normal. When the seat belt is locked in the retracted position, stop the
vehicle in a safe place, release the seat belt and refasten.
■When there is a malfunction in the system
Warning lights and/or warning messages will turn on or flash. (P. 339, P. 344)

Interior features3
169
3-1. Using the air conditioning
system and defogger ........... 170
Automatic air conditioning
system .......................................... 170
Rear window and outside rear
view mirror defoggers........... 178
3-2. Using the audio system ......... 179
Audio system type ..................... 179
Using the radio ............................ 182
Using the CD player ................. 189
Playing back MP3 and
WMA discs................................ 195
Optimal use of the audio
system ......................................... 203
Using the AUX adapter ......... 206
Using the steering wheel
audio switches ......................... 207
3-3. Using the interior lights ....... 209
Interior lights list........................ 209
• Interior lights and
personal lights............................. 211
3-4. Using the storage
features ................................... 213
List of storage features............. 213
• Glove box .................................. 213• Console boxes .......................... 214
• Overhead console ................. 215
• Cup holders ............................... 216
• Bottle holders/door
pockets ........................................ 218
3-5. Other interior features......... 219
Sun visors ...................................... 219
Vanity mirror ............................... 220
Clock................................................ 221
Satellite switches ....................... 222
Ashtrays ........................................ 225
Cigarette lighter........................ 226
Power outlet ................................ 227
Seat heaters ................................ 228
Seat heaters and
ventilators .................................. 230
Armrest ......................................... 232
Rear sunshade............................ 233
Extended trunk .......................... 235
Coat hooks .................................. 236
Floor mat ...................................... 237
Trunk features ............................. 238
Garage door opener................. 241
Compass ...................................... 246

209
3
Interior features
3-3. Using the interior lights
Interior lights list
Your Lexus is equipped with the illuminated entry system to assist in enter-
ing the vehicle. Owing to the function of the system, the lights shown in the
following illustration automatically turn on/off according to the presence of
the electronic key, whether the doors are locked/unlocked, whether the
doors are opened/closed, and the engine switch mode.
Front personal lights (P. 211)
Front interior light (P. 211)
Front overhead courtesy light
Rear personal lights (P. 211)
Rear interior light
Rear overhead courtesy light
Shift lever lighting (when engine switch is in ACC or IG-ON mode)
Front foot well lighting