wipers Lexus GS350 2007 Using the front audio system / LEXUS 2007 GS430/350 (OM30A04U) User Guide

121
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.
■Dripping prevention wiper sweep
After washing and wiping operation severa l
times, the wipers operate one more
time after a short delay to prevent dripping.
However, the last sweep will not happen if the vehicle is traveling above 106 mph
(1
70 km/h).
■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 bein g used (delay until drip prevention
wiper sweep occurs)
With “LO” selected, wiper operation will be
switched from low speed to intermit-
tent wiper operation only when the vehicle is stationary.
■Rain drop sensor (vehicles equipped with the rain-sensing windshield wipers)
The sensor judges the amount of raindrops.

122
2-3. Operating the lights and 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.
■In extremely hot or cold weather
The system will turn off if the windshield gets extremely hot (at more than 176°F
[80°C]) or cold (at less than 14°F [-10°C]).
■Customization
Settings (e.g. drip prevention function) can be changed. (P. 5 2 6 )
CAUTION
■Caution regarding the use of windshield wipers in “AUTO” mode
The windshield wipers may operate unexpect edly 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.
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.
■When using an automatic car wash 
(vehicles equipped with the rain-sensing windshield wipers)
Set the wiper switch to “OFF”. 
If the wiper switch is in “AUTO”, the wipers
may operate and the wiper blades may be
damaged.
OFF
AUTO

123
2-3. Operating the lights and windshield wipers
2
When driving
Headlight cleaner switch
■The headlight cleaner can be operated when
When the engine switch is in “IG-ON” mo de
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.

132
2-4. Using other driving systems
■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 windshield wipers are operating at high speed
●The mode select switch is set to snow mode
●The sensor cannot operate correctly because it is covered in some way
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.
■Automatically canceling constant speed control
The set speed is automatically canceled in the following situations.
●Actual vehicle speed is more than 10 mph (16 km/h) below the preset vehicle
speed
●Vehicle speed falls below 25 mph (40 km/h)
●VSC is activated
■Vehicle-to-vehicle distance settings
Select a distance from the table below. Note that the distances shown correspond
to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle distance increases/
decreases in accordance with vehicle speed.
Distance optionsVehicle-to-vehicle distance
LongApproximately 210 ft. (65 m)
MediumApproximately 150 f t. (45 m)
ShortApproximately 100 f t. (30 m)

174
2-5. Driving information
Regulations on the use of snow chains
●Regulations regarding the use of tire chains vary according to location
and type of road. Alwa ys check local regulations before installing
chains.
● Use S
AE Class “S” type radial tire chains, with the exception of radial
cable chains or V-bar type chains.
• Install the chains on the rear tires.
• Refer to the explanation that comes with the tir
e chains for installa-
tion instructions.
● R
etighten the chains after driving 1 /4 - 1 /2 mile (0.5 - 1.0 km).
Shifting the windshield wiper position
You can shift the wipers to the rest position manually. (In heavy snow or
icy condition etc.)
Grip the hook section of the wiper arm firmly when shif
ting the wiper
position.
To rest position
Raise the wiper in line with the
wind
shield.
You can stand the wipers up for the
rest position.
*: More than 3.9 in. (10 cm)

175
2-5. Driving information
2
When driving
To retract positionLower the wipers by pressing on
the upper par
t of the hook section.
■Snow chain installation
Observe the following precautions when installing and removing chains.
●Install and remove tire chains in a safe location.
●Install tire chains on the rear tires.
●Install tire chains following the inst ructions provided in the accompanying
instructions.
CAUTION
■Driving with snow tires
Observe the following precautions to reduce the risk of accidents. 
Failing to do so may result in a loss of vehicle control and cause death or serious
injury.
●Use tires of the size specified for your vehicle.
●Maintain the specified level of tire inflation pressure.
●Do not drive in excess of 75 mph (120 km/h), regardless of the type of snow tires
being used.
●Snow tires should be installed on all wheels.

358
4-1. Maintenance and care
Cleaning and protecting the vehicle exterior
■Automatic car washes
●Fold the mirrors back before washing the vehicle.
●Brushes used in automatic car washes may scratch the vehicle surface and
harm your vehicle’s paint.
●Rain-sensing windshield wipers (if equi pped): Turn the wipers off before wash-
ing the vehicle. ( P. 1 2 2 )
■High pressure automatic car washes
Do not allow the nozzles of the car wash to come within close proximity of the win -
dows. Before entering an automatic car wash, check that the fuel filler door is
cl
osed.
■Aluminum wheels
Remove any dirt immediately by using a neutral detergent. Do not use hard brushes
or
abrasive cleaners. Do not use strong or harsh chemical cleaners. Use the same
mild detergent and wax as used on the paint.
Perform the following to protect the vehicle and maintain it in prime condi-
tion.
● Working from top to bottom, liber ally apply water to the vehicle
body, wheel wells and underside of the vehicle to remove any dirt
and dust.
Wash the vehicle body using a sponge or soft cloth, such as a chamois.
● For hard-to-remove marks, use car wash soap and rinse thor-
oughly with water.
● W
ipe away any water.
●If w
ater no longer beads on clea n paint, apply wax when the vehi-
cle body is cool.
● W
ax the vehicle when the waterproof coating deteriorates. 
If water does not bead on a clea n sur
face, apply wax when the
vehicle body is cool.

422
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
9ECU-IG LH10
VSC system, ECB system, Yaw rate
and G sensor, Steering sensor,
Cruise control system, Dynamic
radar cruise control system, EPS sys-
tem, VGRS system, Rear view moni-
tor system, Four-wheel drive system,
Front controller, Moon roof, Rain sen-
sor
10FR S/HTR LH15Seat heater or Heated and ventilated
seats
11RR DOOR LH20
Rear left door control system (Power
door lock system, Door courtesy
light, Power window)
12FR DOOR LH20
Front left door control system (Power
door lock system, Power rear view
mirror control system, Door courtesy
light, Outside rear view mirror heater,
Po w e r w i n d o w )
13RAD NO.310Audio system
14H-LP LVL7. 5AFS, Automatic headlight leveling
control system
15LH-IG10
Charging system, Headlight clean-
ers, Exhaust gas sensor, Rear window
defogger, Electric cooling fans, Rear
left door control system, Front left
door control system, Emergency
flashers, Automatic transmission,
Seat belt pretensioners, Intuitive
parking assist
16FR WIP30Windshield wipers and washer

5
When trouble arises
465
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetailsCorrection procedure
(Flashing)
(If equipped)
The PCS is not currently
functional.
Clean the grille and the
sensor. This message appears
when the pre-collision
system is hot. In this case,
wait until the system
cools down.
(If equipped)
Intuitive parking assist is
dirty or covered with ice.
(The illustration shows
something on the left
front sensor.)
Clean the sensor.
(Flashing) 
(If equipped)
The radar cruise control
sensor is dirty or covered
with ice.
Clean the sensor.
(Flashing) 
(If equipped)
The radar cruise control
system is unable to judge
vehicle-to-vehicle dis-
tance.
• Switch the mode select to either the normal or
power mode.
• If the windshield wipers
are on, turn them off or
set them to either the
intermittent or the slow
mode.

526
6-2. Customization
ItemFunctionDefault settingCustomizedsetting
Windshield
wipers and
washer 
(
P. 1 2 0 )
Switching operation when
the vehicle is stationaryONOFF
Drip prevention functionONOFF
Time elapsed before the
drip prevention function
operatesVa r i a b l e
depending on
the vehicle
speed
3 seconds
Illumination 
(
P. 306)
Time elapsed before lights
turn off15 seconds7. 5 s e c o n d s
30 seconds
Operation when the
doors are unlockedONOFF
Operation after the
engine switch turned OFFONOFF
Front/rear personal lights
turned on when a door is
openedCorresponding
light onlyAll lights
OFF
Foot lights ONOFF
Shift lever lightONOFF
Outer foot lightONOFF
Rear sunshade 
(
P. 3 2 8 )
Time elapsed before the
reverse operation feature
activates
0.7 seconds
0 seconds
0.9 seconds
1.2 seconds