water pump LEXUS LX570 2018 Owners Manual

LX570_OM_OM60Q78U_(U) 1814-1. Before driving
4
Driving NOTICE ■
When driving the vehicle ●
Do not depress the accelerator and brake pedals at the same time during driving, as
this may restrain the engine output.●
Do not use the accelerator pedal or depre ss the accelerator and brake pedals at the
same time to hold the vehicle on a hill. ■
When parking the vehicle
Always set the parking brake, and shift the sh ift lever to P. Failure to do so may cause
the vehicle to move or the vehicle may acce lerate suddenly if th e accelerator pedal is
accidentally depressed. ■
Avoiding damage to vehicle parts ●
Do not turn the steering wheel fully in either direction and hold it there for an
extended period of time.
Doing so may damage the power steering pump. ●
When driving over bumps in the road, drive as slowly as possible to avoid damaging
the wheels, underside of the vehicle, etc. ■
If you get a flat tire while driving
A flat or damaged tire may cause the following situations . Hold the steering wheel
firmly and gradually depress the brake pedal to slow down the vehicle. ●
It may be difficult to control your vehicle. ●
The vehicle will make abnormal sounds or vibrations. ●
The vehicle will lean abnormally.
Information on what to do in case of a flat tire. ( → P. 532)■
When encountering flooded roads
Do not drive on a road that has flooded af ter heavy rain etc. Doing so may cause the
following serious damage to the vehicle: ●
Engine stalling ●
Short in electrical components ●
Engine damage caused by water immersion
In the event that you drive on a flooded road and the vehicle is flooded, be sure to have
your Lexus dealer check the following: ●
Brake function ●
Changes in quantity and quality of oil and fluid used for the engine, transmission,
transfer, differentials, etc. ●
Lubricant condition for the propeller shaft, bearings and suspension joints (where
possible), and the function of all joints, bearings, etc.

302
LX570_OM_OM60Q78U_(U) 4-5. Using the driving support systems
NOTICE ■
When parking in areas with limited overhead height
After leaving the vehicle or unloading the lu ggage, the vehicle height may be slightly
higher than normal. Take care wh en overhead height is limited.■
To avoid damage to the vehicle ●
Normal mode will be switched to automatically even if the vehicle is started off in low
mode. Take care when overhead height is limited. ●
Do not select the low mode when driving on bumpy roads, as the underbody of the
vehicle may contact the road surface. ●
When traveling on bumpy roads or throug h water, or when towing, turn off easy
access mode. ■
Avoid rapid changes to the vehicle height
As the pump may overheat. Leave at a few seconds between selections when changing
the vehicle height mode.

478
LX570_OM_OM60Q78U_(U) 6-3. Do-it-yourself maintenance
The coolant level is satisfactory if it is between the “F” and “L” lines on the reser-
voir when the engine is cold.
Reservoir cap
“F” line
“L” line If the level is on or below the “L” line, add
coolant up to the “F” line. ■
Coolant selection
Only use “Toyota Super Long Life Coolant” or a similar high qua lity ethylene glycol-
based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid
organic acid technology.
U.S.A.: “Toyota Super Long Life Coolant” is a mixture of 50 % coolant and 50 % deion-
ized water. (Minimum temperature: -31 ° F [-35 ° C])
Canada: “Toyota Super Long Life Coolant” is a mixture of 55 % coolant and 45 % deion-
ized water. (Minimum temperature: -44 ° F [-42 ° C])
For more details about engine coolant, contact your Lexus dealer. ■
If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine c oolant reservoir cap, radiator cap, drain cock
and water pump. If you cannot find a leak, have your Lexus dealer test the cap and check
for leaks in the cooling system.Engine coolant 1
2
3
WARNING ■
When the engine is hot
Do not remove the radiator cap, or the coolant reservoir cap.
The cooling system may be under pressure and may spray hot coolant if the cap is
removed, causing serious injuries, such as burns.

LX570_OM_OM60Q78U_(U) 4856-3. Do-it-yourself maintenance
6
Maintenance and care If any washer does not work or “Wind-
shield Washer Fluid Low” appears on
the multi-information display, the
washer tank may be empty. Add
washer fluid.Washer fluid
WARNING ■
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 surface, as well as damaging the
pump leading to problems of the washer fluid not spraying.■
Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the label of the washer fluid bottle.