stop start LEXUS LX570 2015 Owner's Guide

1191
Before driving
LX570_OM_OM60L96U_(U) 1-6. Theft deterrent system
Engine immobilizer system
■
System maintenance
The vehicle has a maintenance-free type engine immobilizer system. ■
Conditions that may cause the system to malfunction ●
If the key is in contact with a metallic object ●
If the key is in close proximity to or to uching a key to the security system (key
with a built-in transponde r chip) of another vehicleThe vehicle’s keys have built-in tran sponder chips that prevent the engine
from starting if a key has not been prev iously registered in the vehicle’s on-
board computer.
Never leave the keys inside the ve hicle when you leave the vehicle.
This system is designed to help prev ent vehicle theft but does not guar-
antee absolute security aga inst all vehicle thefts.
The indicator light flashes after
the “ENGINE START STOP”
switch has been turned off to
indicate that th e system is oper-
ating.
The indicator light stops flashing
after the “ENGINE START
STOP” switch has been turned
to ACCESSORY or IGNI-
TION ON mode to indicate
that the system has been can-

12111-6. Theft deterrent system
Before driving
LX570_OM_OM60L96U_(U) Alarm The system sounds the al arm and flashes lights when forcible entry is
detected.
■ Triggering of the alarm
The alarm is triggered in the following situations wh en the alarm is
set:
● A locked door is unlock ed or opened in any way other than using
the entry function, wireless remo te control or using mechanical
key. (The doors will lock again automatically.)
● The hood is opened.
■ Setting the alarm system
Close the doors and hood, and
lock all doors.
The system will be set automati-
cally after 30 seconds. The indicator light changes from
being on to flashing when the
system is set.
■ Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm.
● Unlock the doors.
● Turn the “ENGINE START STOP” switch to ACCESSORY or
IGNITION ON mode, or start the engine. (The alarm will be
deactivated or stopped after a few seconds.)

1391-7. Safety information
1
Before driving
LX570_OM_OM60L96U_(U) Deactivating the curtain shield airbags in a vehicle rollover
ON/OFF (hold for a few seconds) The RSCA OFF indicator turns on
(only when the “ENGINE START
STOP” switch is in IGNITION ON
mode.)
The roll sensing function for the
curtain shield airbags and seat belt
pretensioners will turn back on
automatically each time the
“ENGINE START STOP” switch is
turned to IGNITION ON mode.■
This switch only should be used
In a situation where the inflation is not desired (such as during extreme off road
driving). ■
Operating conditions when the RSCA OFF indicator is on ●
The curtain shield airbag and seat belt pr etensioner will not activate in a vehicle
rollover. ●
The curtain shield airbag will activate in a severe side impact. ●
The pretensioner will activate in a severe frontal collision.
CAUTION■
While normal driving
Make sure the RSCA OFF indicator is not turned on. If it is left on, the curtain shield
airbag will not activate in th e event of an accident, which may result in death or seri-
ous injury.

166
LX570_OM_OM60L96U_(U) 2-1. Driving procedures
Driving the vehicle The following procedures should be observed to ensure safe driving.
■ Starting the engine (  P. 177)
■ Driving
With the brake pedal depressed, shift the shift lever to “D”.
(  P. 181)
Release the parking brake. (  P. 190)
Gradually release the brake peda l and gently push the accel-
erator pedal to accelerate the vehicle.
■ Stopping
With the shift lever in “D”, push the brake pedal.
If necessary, set the parking brake. When the vehicle is stopped for an extended period of time, shift the
shift lever to “P” or “N”. (  P. 181)
■ Parking the vehicle
With the shift lever in “D”, push the brake pedal.
Set the parking brake. (  P. 190)
Shift the shift lever to “P”. (  P. 181)When parking on a hill, if necessary, block the wheels.
Press the “ENGINE START STOP” switch to stop the engine.
Lock the door, making sure that you have the electronic key on
your person. STEP 1
STEP 2
STEP 3
STEP 1
STEP 2
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5

1672-1. Driving procedures
2
When driving
LX570_OM_OM60L96U_(U) Starting on a steep uphill
Firmly set the parking brake and shift the shift lever to “D”.
Gently depress the accelerator pedal.
Release the parking brake.■
Driving in the rain ●
Drive carefully when it is raining, becaus e visibility will be reduced, the windows
may become fogged-up, and th e road will be slippery.●
Drive carefully when it starts to rain, because the road surface will be especially
slippery. ●
Refrain from high speeds when driving on an expressway in the rain, because
there may be a layer of water between the tires and the road surface, prevent-
ing the steering and brakes from operating properly.■
Engine speed while driving
In the following conditions, the engine speed may become high while driving. This is
due to automatic up-shifting control or do wn-shifting implementation to meet driv-
ing conditions. It does not indicate sudden acceleration.●
The vehicle is judged to be driving uphill or downhill ●
When the accelerator pedal is released ●
When the brake pedal is depressed while power mode is selected (  P. 183)■
Breaking in your new Lexus
To extend the life of the vehicle, the following precautions are recommended to
observe: ●
For the first 200 miles (300 km):
Avoid sudden stops. ●
For the first 500 miles (800 km):
Do not tow a trailer. ●
For the first 1000 miles (1600 km):
• Do not drive at extremely high speeds.
• Avoid sudden acceleration.
• Do not drive continuously in the low gears.
• Do not drive at a constant speed for extended periods. STEP 1
STEP 2
STEP 3

1692-1. Driving procedures
2
When driving
LX570_OM_OM60L96U_(U) ■
When turning off the engine
Emission system operating so unds may continue for a short time after the engine is
turned off. This is not a malfunction, and helps to ensure optimal performance of the
emission system.
CAUTION■
When starting the vehicle
Always keep your foot on the brake pedal while stopped with the engine running.
This prevents the vehicle from creeping. ■
When driving the vehicle ●
Do not drive if you are unfamiliar with the location of the brake and accelerator
pedals to avoid depressing the wrong pedal.
• Accidentally depressing the accelerator pedal instead of the brake pedal will
result in sudden acceleration that may le ad to an accident that could result in
death or serious injury.
• When backing up, you may twist your body around, leading to a difficulty in
operating the pedals. Make sure to operate the pedals properly.
• Make sure to keep a correct driving posture even when moving the vehicle
only slightly, allowing you to depress the brake and accelerator pedals prop-
erly.
• Depress the brake pedal using your ri ght foot. Depressing the brake pedal
using your left foot may delay response in an emergency, resulting in an acci-
dent.

1772-1. Driving procedures
2
When driving
LX570_OM_OM60L96U_(U) Engine (ignition) switch Performing the following operations when carrying the electronic key on
your person starts the engine or changes “ENGINE START STOP” switch
modes.
■ Starting the engine
Check that the parking brake is set.
Check that the shift lever is set in “P”.
Sit in the driver’s seat and firmly depress the brake pedal. The “ENGINE START STOP” switch indicator turns green.
Press the “ENGINE START
STOP” switch. The engine can be started from
any “ENGINE START STOP”
switch mode.
Continue depressing the brake
pedal until the engine is com-
pletely started. The engine will
crank until it starts or for up to
30 seconds, whichever is less.STEP 1
STEP 2
STEP 3
STEP 4

1782-1. Driving procedures
LX570_OM_OM60L96U_(U) ■ Changing “ENGINE START STOP” switch mode
Modes can be changed by pres sing the “ENGINE START STOP”
switch with the brake pedal release d. (The mode changes each time
the switch is pressed.)
OFF
* Emergency flashers can be
used.
ACCESSORY mode Some electrical components
such as the audio system can be
used.
The “ENGINE START STOP”
switch indicator turns amber.
IGNITION ON mode All electrical components can
be used.
The “ENGINE START STOP”
switch indicator turns amber.
* : If the shift lever is in a position othe r than “P” when turn ing off the engine,
the “ENGINE START STOP” switch will be turned to ACCESSORY
mode, not to OFF.

1792-1. Driving procedures
2
When driving
LX570_OM_OM60L96U_(U) ■
Operation of the “ENG INE START STOP” switch
When operating the “ENGINE START STOP ” switch, one short, firm press is
enough. If the switch is pressed improp erly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to press
and hold the switch. ■
When the steering lock cannot be released
■
If the engine does not start
The engine immobilizer system may not have been deactivated. (  P. 119)
Contact your Lexus dealer. ■
When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately. ■
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes with the shift
lever in P, the “ENGINE START STOP” switch will automatically turn off. However,
this function cannot entirely prevent battery discharge. Do not leave the vehicle
with the “ENGINE START STOP” switch in ACCESSORY mode for long periods
of time when the engine is not running. ■
Electronic key battery depletion
 P. 42■
When the electronic key battery is discharged
 P. 872■
Conditions affecting operation
 P. 40 The green indicator light on the “ENGINE
START STOP” switch will flash and a mes-
sage will be shown on the multi-information
display. Press the “ENGINE START STOP”
switch again while turning the steering wheel
left and right.

1802-1. Driving procedures
LX570_OM_OM60L96U_(U) ■
Note for the entry function
 P. 43
CAUTION■
When starting the engine
Always start the engine while sitting in th e driver’s seat. Do not depress the acceler-
ator while starting the engi ne under any circumstances.
Doing so may cause an accident resulting in death or serious injury. ■
Stopping the engine in an emergency
If you want to stop the engine in an emergency while driving the vehicle, press and
hold the “ENGINE START STOP” switch fo r more than 2 seconds, or press it
briefly 3 times or more in succession. (  P. 883)
However, do not touch the “ENGINE START STOP” switch while driving except in
an emergency. Turning the engine off while driving will not cause loss of steering or
braking control, but the power assist to these systems will be lost. This will make it
more difficult to steer and brake, so you should pull over and stop the vehicle as
soon as it is safe to do so.
NOTICE■
To prevent battery discharge
Do not leave the “ENGINE START STOP ” switch in ACCESSORY or IGNITION
ON mode for long periods of ti me without the engine running.■
When starting the engine ●
Do not race a cold engine. ●
If the engine becomes difficult to start or stalls frequently, have your vehicle
checked by your Lexus dealer immediately.■
Symptoms indicating a malfunction with the “ENGINE START STOP” switch
If the “ENGINE START STOP” switch seem s to be operating somewhat differently
than usual, such as the swit ch sticking slightly, there may be a malfunction. Contact
your Lexus dealer immediately.