Page 848 of 956
8465-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) Once The electronic key
has a low battery. Replace the elec-
tronic key battery.
( P. 7 8 0 )
Once
(Flashes) A door was
opened and
closed with the
“ENGINE START
STOP” switch
turned off and
then the
“ENGINE START
STOP” switch was
put in ACCES-
SORY mode
twice without the
engine being
started. Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal.
Once
(Flashes) The steering lock
could not be
released within 3
seconds of the
“ENGINE START
STOP” switch
being pressed. Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal
and moving the
steering wheel left
and right.Interior
buzzer Exterior
buzzerWa r n i n g m e s s a g e Details Correction
procedure
Page 865 of 956

5
When trouble arises
8635-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) If the engine will not start If the engine still does not start afte r following the correct starting proce-
dure ( P. 175) or releasing the steering lock ( P. 177), confirm the fol-
lowing points.
■ The engine will not start even when the starter motor operates
normally
One of the following may be the cause of the problem.
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine once more following correct starting
procedures. ( P. 175)
● There may be a malfunction in the engine immobilizer system.
( P. 117)
■ The starter motor turns over slow ly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low vol-
ume
One of the following may be the cause of the problem.
● The battery may be discharged. ( P. 870)
● The battery terminal connections may be loose or corroded.
■ The starter motor does not turn over
The engine starting system may be malfunctioning due to an electri-
cal problem such as an open ci rcuit or a blown fuse. However, an
interim measure is available to start the engine. ( P. 8 6 4 )
Page 866 of 956

8645-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) Emergency start function
When the engine does no t start, the following s teps can be used as an
interim measure to start the engine if the “ENGINE START STOP” switch
is functioning normally.
Set the parking brake.
Put the shift lever in “P”.
Set the “ENGINE START STOP” switch to the ACCESSORY
mode.
Push and hold the “ENGINE START STOP” switch about 15 sec-
onds while depr essing the brake pedal firmly.
Even if the engine can be started using the above step s, the system may
be malfunctioning. Have the vehicle checked by your Lexus dealer.■ The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound
One of the following may be the cause of the problem.
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 870)
● There may be a malfunction in the steering lock system.Contact your Lexus dealer, if the problem cannot be repaired, or if
repair procedures are unknown.
STEP 1
STEP 2
STEP 3
STEP 4
Page 867 of 956
5
When trouble arises
8655-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) If the shift lever cannot be shifted from “P”If the shift lever cannot be shifted with your foot on the brake, there may be
a problem with the shift lock system (a system to prevent accidental opera-
tion of the shift lever). Have the ve hicle inspected by your Lexus dealer,
immediately.
The following steps may be used as an emergency measure to ensure that
the shift lever can be shifted.
Set the parking brake.
Set the “ENGINE START STOP” switch to the ACCESSORY
mode.
Depress the brake pedal.
Pry the cover up with a flathead
screw driver or equivalent.
Press the shift lock override but-
ton. The shift lever can be shifted
while the button is pressed.STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
Page 869 of 956
5
When trouble arises
8675-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) If the electronic key do es not operate properly
Locking and unlocking the doors and key linked functions
Using the mechanical key ( P. 3 1 )
in order to perform the following
operations.
Locks all doors
Closes the windows/moon roof
(turn and hold)
*Unlocks the door
Turning the key rearward
unlocks the driver’s door. Turn-
ing the key once again unlocks
the other doors.
Opens the windows/moon roof
(turn and hold)
*
* : This setting must be customized
at your Lexus dealer.If communication between the electron ic key and vehicle is interrupted
( P. 39) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors can be opened or
the engine can be started by following the procedure below.
Page 871 of 956
5
When trouble arises
8695-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) ■
Stopping the engine
Shift the shift lever to “P” and press th e “ENGINE START STOP” switch as you nor-
mally do when stopping the engine. ■
Replacing the key battery
As this above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery depletes. ( P. 7 8 0 )■
Changing “ENGINE START STOP” switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the
“ENGINE START STOP” switch.
The engine does not start and modes will be changed each time the switch is
pressed. ( P. 1 76 )■
Alarm
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set, the
alarm may be triggered. ( P. 1 1 9 )
Page 873 of 956

5
When trouble arises
8715-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) ■
Starting the engine when the battery is discharged
The engine cannot be started by push-starting. ■
Avoiding a discharged battery ●
Turn off the headlights and the audio system while the engine is off. ●
Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.■
Charging the battery
The electricity stored in the battery will discharge gradually even when the vehicle
is not in use, due to natural discharge and the draining effects of certain electrical
appliances. If the vehicle is left for a long time, the battery may discharge, and the
engine may be unable to start. (The battery recharges automatically during driving.) ■
When the battery is removed or discharged ●
The power back door must be initialized. ( P. 6 0 )●
Make sure the key is not inside the vehicle when recharging or replacing the
battery. The key may be locked in the vehicle if the alarm is activated. ( P. 1 2 0 )Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the do ors with the “ENGINE START
STOP” switch off.
Maintain the engine speed of th e second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine ha s started, remove the jumper
cables in the exact reverse ord er in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer,
as soon as possible. STEP 3
STEP 4
STEP 5
STEP 6
Page 885 of 956
8816-1. Specifications
6
Vehicle specifications
LX570_OM_OM60L21U_(U) Vehicle identification
■ Vehicle identification number
The vehicle identification number (V IN) is the legal identifier for your
vehicle. This is the primary identi fication number for your Lexus. It is
used in registering the ownership of your vehicle.
This number is stamped on the top
left of the instrument panel.
This number is also on the Certifi-
cation Label.
■ Engine number
The engine number is stamped on
the engine block as shown.