2018 LEXUS LX570 snow chains

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LX570_OM_OM60Q78U_(U) 4-5. Using the driving support systems
WARNING ■
When to disable the pre-collision system
In the following situations, di sable the system, as it may not operate properly, possibly
leading to an accident resultin g in death or serious injury:●
When the vehicle is being towed ●
When your vehicle is towing another vehicle ●
When transporting the vehicle via truck, bo at, train or similar means of transportation●
When the vehicle is raised on a lift with the engine running and the tires are allowed to
rotate freely ●
When inspecting the vehicle using a drum tester such as a chassis dynamometer or
speedometer tester, or when using an on vehicle wheel balancer ●
When a strong impact is applied to the fron t bumper or front grille, due to an accident
or other reasons ●
If the vehicle cannot be driven in a stable manner, such as when the vehicle has been
in an accident or is malfunctioning ●
When the vehicle is driven in a sporty manner or off-road●
When the tires are not properly inflated ●
When the tires are very worn ●
When tires of a size other than specified are installed ●
When tire chains are installed ●
When a compact spare tire or an emergency tire puncture repair kit is used ●
If equipment (snow plow, etc.) that may obstruct the radar sensor or camera sensor is
temporarily installed to the vehicle

LX570_OM_OM60Q78U_(U) 2634-5. Using the driving support systems
4
Driving
Press the LDA switch to turn the LDA
system on. The LDA indicator illuminates.
Press the LDA switch again to turn the
LDA system off.
When the LDA system is turned on or
off, operation of the LDA system contin-
ues in the same cond ition the next time
the engine is started. WARNING ■
Situations unsuitable for LDA system
Do not use the LDA system in the following situations.
The system may not operate properly and lead to an accident, resulting in death or
serious injury. ●
A spare tire, tire chains, etc. are equipped. ●
Objects or patterns that could be mistaken for white (yellow) lines are present on the
side of the road (guardrails, cu rbs, reflective poles, etc.).●
Vehicle is driven on a snow-covered road. ●
White (yellow) lines are difficult to see due to rain, snow, fog, dust, etc.●
Asphalt repair marks, white (y ellow) line marks, etc. are present due to road repair.●
Vehicle is driven in a temporary lane or restricted lane due to construction work.●
Vehicle is driven in a construction zone. ■
Preventing LDA system malfunctions and operations performed by mistake ●
Do not modify the headlights or place stickers, etc. on the surface of the lights.●
Do not modify the suspension etc. If the suspension etc. needs to be replaced, con-
tact your Lexus dealer. ●
Do not install or place anything on the hood or grille. Also, do not install a grille guard
(bull bars, kangaroo bar, etc.). ●
If your windshield needs repair s, contact your Lexus dealer.
Turning LDA system on

LX570_OM_OM60Q78U_(U) 3474-5. Using the driving support systems
4
Driving Observe the following precautions. Failure to do so may result in an unexpected
accident. Also, when driving, make sure to directly confirm the safety of your sur-
roundings and the area to the rear of the vehicle.
When using the Multi-terrain Monitor WARNING ■
Conditions under which the Multi-te rrain Monitor should not be used
Do not use the Multi-terrain Monitor in the following situations. The system may not
operate properly, resulting in an unexpected accident.●
When driving on an icy, snow-covered or otherwise slip pery road surface●
When using tire chains or a spare tire ●
When either front door or the back door is not completely closed ●
When driving on an uneven road, such as a hill ●
When tires or suspension parts othe r than those specified are equipped
When the tires are replaced, the position indicated by the guide lines displayed on the
screen may differ. ■
Guide lines
The tire position indicator lines and vehicl e position indicator lines may differ from
actual vehicle positions depending on the number of passengers, cargo weight, road
grade, road surface conditions, brightness of the surrounding environment, etc. Always
drive the vehicle while confirming the safety of your surroundings.

380
LX570_OM_OM60Q78U_(U) 4-5. Using the driving support systems
WARNING
Any of the following conditions may result in an accident which could cause death or seri-
ous injury: ■
The Multi Terrain ABS does not operate effectively when ●
The limits of tire gripping performance have been exceeded (such as excessively
worn tires on a snow covered road). ●
The vehicle hydroplanes while driving at high speed on a wet or slick road.■
Stopping distance when the Multi Terrain ABS is operating may exceed that of nor-
mal conditions
The Multi Terrain ABS is not designed to shorten the vehicle’s stopping distance.
Always maintain a safe distance from the vehicle in front of you, especially in the follow-
ing situations. ●
When driving on dirt, grav el or snow-covered roads●
When driving with tire chains ●
When driving over bumps in the road ●
When driving over roads with potholes or uneven roads■
Active TRAC may not operate effectively when
Directional control an d power may not be achievable wh ile driving on slippery road
surfaces, even if the Acti ve TRAC is operating.
Do not drive the vehicle in conditions where stability and power may be lost.■
If the hill-start assist control does not operate effectively
Do not overly rely on the hill-start assist control. The hill-start assist control may not
operate effectively on steep inclines and roads covered in ice. ■
When Active TRAC, VSC and Tr ailer Sway Control are off
Be especially careful and drive at a speed appropriate to the road conditions. As these
are systems to help to ensure vehicle stability and driving force, do not turn off Active
TRAC, VSC and Trailer Sway Control unless necessary. ■
When the VSC and Trailer Sway Control are activated
The slip indicator light flas hes. Always drive carefully.
Reckless driving may cause an accident. Exercise particular care when the indicator
light flashes.

382
LX570_OM_OM60Q78U_(U) 4-6. Driving tips
Winter driving tips ●
Use fluids that are appropriate to the prevailing outside temperatures.
•Engine oil
• Engine coolant
• Washer fluid ●
Have a service technician inspect the condition of the battery. ●
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 same size and br and, and that chains match the size of the
tires.
* : Tire chains cannot be mounted on vehicles with 21-inch tires
Perform the following according to the driving conditions: ●
Do not try to forcibly open a window or move a wiper that is frozen. Pour
warm water over the frozen area to me lt the ice. Wipe away the water imme-
diately to prevent it from freezing. ●
To ensure proper operation of the c limate control system fan, remove any
snow that has accumulated on the air inlet vents in front of the windshield. ●
Check for and remove any excess ice or snow that may have accumulated on
the exterior lights, vehicle’s roof, chassi s, around the tires or on the brakes.●
Remove any snow or mud from the bottom of your shoes before getting in the
vehicle.Carry out the necessary preparations an d inspections before driving the vehi-
cle in winter. Always drive the vehicle in a manner appropriate to the prevail-
ing weather conditions.
Pre-winter preparations
Before driving the vehicle

LX570_OM_OM60Q78U_(U) 3834-6. Driving tips
4
Driving Accelerate the vehicle slowly, keep a sa fe distance between you and the vehicle
ahead, and drive at a reduced spee d suitable to road conditions.●
Park the vehicle and move the shift lever to P without setting the parking
brake. The parking brake may freeze up, preventing it from being released. If
the vehicle is parked without setting the parking brake, make sure to block the
wheels.
Failure to do so may be dangerous because it may cause the vehicle to move
unexpectedly, possibly leading to an accident. ●
If the vehicle is parked without setting the parking brake, confirm that the shift
lever cannot be moved out of P
* .When the parking brake is in automatic mo de, release the parkin g brake after shifting
the shift lever to P. ( → P. 218)
* : The shift lever will be locked if it is attempted to be shif ted from P to any other position
without depressing the brake pedal. If the sh ift lever can be shifte d from P, there may
be a problem with the shift lock system. Have the vehicle inspected by your Lexus
dealer immediately. 
Vehicles with 20-inch tires
Use the correct tire chain size when mounting the snow chains.
Chain size is regulated for each tire size.
Side chain
(0.20 in. [5 mm] in diameter)
Cross chain
(0.25 in. [6.3 mm] in diameter) 
Vehicles with 21-inch tires
Tire chains cannot be mounted. Snow tires should be used instead.When driving the vehicle
When parking the vehicle
Selecting tire chains 1
2

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LX570_OM_OM60Q78U_(U) 4-6. Driving tips
Regulations regarding the use of tire chains vary depending on location and type
of road. Always check local regu lations before installing chains.■
Tire 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. Do not install tire chains on the front tires.●
Install tire chains on rear tires as tightly as possible. Retighten chains after driving 1/4 -
1/2 mile (0.5 - 1.0 km). ●
Install tire chains following the instru ctions provided with the tire chains.Regulations on the use of tire chains
WARNING ■
Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in a loss of vehi cle control and cause death or serious injury.●
Use tires of the specified size. ●
Maintain the recommended level of air pressure.●
Do not drive in excess of 75 mph (120 km/h ), regardless of the type of snow tires
being used. ●
Use snow tires on all, not just some wheels. ■
Driving with tire chains (vehicles with 20-inch tires)
Observe the following precautions to reduce the risk of accidents.
Failing to do so may result in the vehicle being unable to be driven safely, and may
cause death or serious injury. ●
Do not drive in excess of the speed limit specified for the ti re chains being used, or 30
mph (50 km/h), whichever is lower. ●
Avoid driving on bumpy road surfaces or over potholes.●
Avoid sudden acceleration, abrupt steering, sudden braking and shifting operations
that cause sudden engine braking. ●
Slow down sufficiently before entering a cu rve to ensure that vehicle control is main-
tained. ●
Do not use LDA (Lane Departure Alert) system. (if equipped) ■
When installing tire chains (vehicles with 20-inch tires)
Turn off the vehicle height control.
The vehicle height may change due to the automatic leveling function and you may
catch part of your body in the vehicle, resulting in an accident. ( → P. 298)

LX570_OM_OM60Q78U_(U) 3854-6. Driving tips
4
Driving NOTICE ■
Repairing or replacing snow tires
Request repairs or replacement of snow ti res from Lexus dealers or legitimate tire
retailers.
This is because the removal an d attachment of snow tires affects the operation of the
tire pressure warning va lves and transmitters.■
Fitting tire chains (vehicles with 20-inch tires)
The tire pressure warning valv es and transmitters may not function correctly when tire
chains are fitted.