2010 Lexus IS250 washer fluid

172
2-3. Operating the lights and windshield wipers
IS350/250_U
■Rain drop sensor (vehicles with rain-sensing windshield wipers)
●If the wiper switch is turned to the “AUTO” position while the “ENGINE START
STOP” switch is in IGNITION ON mode, the wiper will operate once to show
that auto mode is activated.
●If the temperature of the raindrop sensor is 194°F (90°C) or higher, or -22°F
(-30°C) or lower, automatic operation may not occur. In this case, operate the
wipers in any mode other than “AUTO”.
■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. 5 4 9 )
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 subjected vibration in “AUTO” mode. Take care that your fingers etc.
do not become caught in the windshield wipers.
●The sensor judges the amount of rain-
drops.

173
2-3. Operating the lights and windshield wipers
2
When driving
IS350/250_U
NOTICE
■When the windshield is dry
Do not use the wipers, as they may damage the windshield.
■When a nozzle becomes blocked
Do not try to clear it with a pin or other object. The nozzle will be damaged.
■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.

174
2-3. Operating the lights and windshield wipers
IS350/250_U
Headlight cleaner switch∗
■The headlight cleaner can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode and the headlight
switch is turned on.
■Windshield washer linked operation
Only for the first time when the windshield washer is operated with the “ENGINE
START STOP” switch in IGNITION ON mode and the headlights on, the headlight
cleaner will operate once. (→P. 1 6 9 )
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.
∗: If equipped

210
2-5. Driving information
IS350/250_U
Winter driving tips
Carry out the necessary preparations and inspections before driving the
vehicle in winter. Always drive the vehicle in a manner appropriate to the
prevailing weather conditions.
■Pre-winter preparations
● Use fluids that are appropriate to the prevailing outside tempera-
tures.
• Engine oil
• Engine coolant
• Washer fluid
● Have a service technician inspect the level and specific gravity of
battery electrolyte.
● Have the vehicle fitted with four snow tires or purchase a set of
tire chains for the rear tires.
Ensure that all tires are the specified size and the same brand, and that
chains match the size of the tires.
■Before driving the vehicle
Perform the following according to the driving conditions.
● Do not try to forcibly open a window or move a wiper that is fro-
zen. Pour warm water over the frozen area to melt the ice. Wipe
away the water immediately to prevent it from freezing.
● To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents in
front of the windshield.
● Remove any ice that has accumulated on the vehicle chassis.
● Periodically check for and remove any excess ice or snow that
may have accumulated in the wheel well or on the brakes.

395
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS350/250_U
ItemsParts and tools
Engine oil level (→P. 4 0 3 )
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel, funnel (used
only for adding engine oil)
Fuses (→ P. 4 3 6 )• Fuse with same amperage rating as
original
Tire inflation pressure ( →P. 4 2 5 )• Tire pressure gauge
• Compressed air source
Headlight aim ( →P. 4 5 0 )• Phillips-head screwdriver
Radiator and condenser
(→ P. 4 0 8 )
Wa s h e r f l u i d ( →P. 4 1 3 )
• Water washer fluid containing anti-
freeze (for winter use)
•Funnel

400
4-3. Do-it-yourself maintenance
IS350/250_U
Engine compartment
IS350
Battery (→P. 4 1 0 )
Engine oil level dipstick (→P. 403)
Engine oil filler cap (→P. 403)
Brake fluid reservoir (→P. 4 0 8 )
Fuse boxes ( →P. 4 3 6 )Washer fluid tank
(→P. 413)
Electric cooling fans
Condenser ( →P. 4 0 8 )
Radiator ( →P. 4 0 8 )
Engine coolant reservoir (→P. 4 0 6 )

401
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS350/250_U
IS250
Battery (→P. 4 1 0 )
Engine oil level dipstick (→P. 403)
Engine oil filler cap (→P. 403)
Brake fluid reservoir (→P. 4 0 8 )
Fuse boxes ( →P. 4 3 6 )Washer fluid tank
(→P. 413)
Electric cooling fans
Condenser ( →P. 4 0 8 )
Radiator ( →P. 4 0 8 )
Engine coolant reservoir (→P. 4 0 6 )

413
4-3. Do-it-yourself maintenance
4
Maintenance and care
IS350/250_U
Washer fluidIf any washer does not work or the
warning message appears on the
multi-information display, the
washer tank may be empty. Add
washer fluid.
NOTICE
■When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all accesso-
ries are turned off.
CAUTION
■When adding washer fluid
Do not add washer fluid when the engine is hot or running, as washer fluid contains
alcohol and may catch fire if spilled on the engine etc.
NOTICE
■Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
■Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the washer fluid tank.