2015 LEXUS LX570 key battery

5
When trouble arises
8735-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) If the electronic key does not operate properly
Locking and unlocking the do ors and key linked functions
Using the mechanical key (  P. 31)
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. 40) or the electronic key cannot be used because the battery is
depleted, the smart access system wi th push-button start and wireless
remote control cannot be used. In su ch cases, the doors can be opened or
the engine can be started by following the procedure below.

5
When trouble arises
8755-2. Steps to take in an emergency
LX570_OM_OM60L96U_(U) ■
Stopping the engine
Shift the shift lever to “P ” and press the “ENGINE START STOP” switch as you nor-
mally do when stopping the engine. ■
Replacing the key battery
As the above procedure is a temporary meas ure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted.
(  P. 784)■
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. 178)■
Alarm
Using the mechanical key to lock th e 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. 121)
CAUTION■
When using the mechanical key and operating the power windows and moon
roof
Operate the power window or moon roof after checking to make sure that there is
no possibility of any passenger having any of their body parts caught in the window
or moon roof.
Also, do not allow children to operate the mechanical key. It is possible for children
and other passenger s to get caught in power window and moon roof.

5
When trouble arises
8775-2. Steps to take in an emergency
LX570_OM_OM60L96U_(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 audi o 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. 60)●
Make sure the key is not inside the vehicle when recharging or replacing the
battery. The key may be locked in th e vehicle if the alarm is activated. (  P. 122)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 has started, remove the jumper
cables in the exact reverse order in which they were con-
nected.
Once the engine starts, have th e vehicle checked at your Lexus
dealer, as soon as possible. STEP 3
STEP 4
STEP 5
STEP 6

943Alphabetical index
LX570_OM_OM60L96U_(U) AUX port .................................................574
Auxiliary box ...........................................697
AVS ............................................................. 331
Back-up lights
Replacing light bulbs ...................... 808
Wattage .................................................896
Back door
Back door ................................................ 56
Wireless remote control key...........49
Battery
If the vehicle has discharged
battery.................................................. 875
Preparing and checking
before winter .................................... 376
Bluetooth ®
audio................................... 541
Bluetooth ®
phone ................................. 616
Bottle holder .......................................... 696
Brake
Fluid .......................................................... 894
Parking brake ........................................190
Brake assist ............................................. 349
Break-in tips ............................................. 167
Brightness control
Instrument light control .................... 194
Care
Exterior ....................................................734
Interior...................................................... 737
Seat belts ............................................... 738
Cargo capacity ..................................... 368
Cargo hooks ............................................ 716
CD player................................................ 507 Center differential
lock/unlock switch ............................ 332
Chains ....................................................... 376
Child restraint system
Booster seats, definition .................. 146
Booster seats, installation ................. 151
Convertible seats, definition .......... 146
Convertible seats, installation ......... 151
Infant seats, definition ........................ 146
Infant seats, installation ....................... 151
Installing child restraint systems
with LATCH system ...................... 152
Installing child restraint systems
with seat belts .................................... 154
Installing child restraint systems
with top tether strap ....................... 159
Child safety
Airbag precautions ............................ 134
Battery precautions .............. 763, 877
Child-protectors ...................................53
Child restraint system ....................... 146
Heated steering wheel
precautions........................................ 707
How your child should wear
the seat belt ..........................................95
Installing child restraints..................... 151
Moon roof precautions...................... 115
Power window lock switch ............108
Power window precautions ............ 110
Removed key battery
precautions....................................... 785
Seat belt precautions ..........................96
Seat heater
precautions........................................... 711
Child-protectors ...................................... 53
Cigarette lighter.................................... 704B
C

944Alphabetical index
LX570_OM_OM60L96U_(U) Cleaning
Exterior ................................................... 734
Interior ......................................................737
Seat belts................................................ 738
Clock .......................................................... 415
Condenser ..............................................758
Console box ........................................... 692
Cool box...................................................699
Cooling system
Engine overheating ..........................878
Crawl Control........................................ 337
Cruise control ............................ 232, 236
Cup holder .............................................. 694
Curtain shield airbags.......................... 126
Customizable features ........................ 912
Daytime running light system ............. 211
Defogger
Rear window ........................................460
Side mirror ............................................460
Dimension ............................................... 886
Dinghy towing ......................................... 401
Display
Crawl Control display ................... 337
Dynamic radar cruise control .... 236
Intuitive parking assist system
display .................................................. 252
Multi-information display...............200
Shift position and shift
range ...........................................184, 186
Trip information ....................................201
Warning message............................. 837
Do-it-yourself maintenance ............. 747
Door courtesy lights
Door courtesy lights........................ 686
Wattage................................................. 896 Door lock
Back door ................................................ 56
Side door...................................................52
Wireless remote control key...........49
Doors
Door glasses..........................................108
Door lock ................................ 35, 49, 52
Side mirrors............................................ 104
Driver’s seat belt reminder
light.......................................................... 829
Driving
Break-in tips........................................... 167
Correct posture................................... 124
Off-road precautions...................... 363
Procedures............................................. 166
Winter driving tips .............................376
Driving position memory...................... 83
DVD player............................................. 507
Dynamic radar cruise control ......... 236
Eco driving ............................................... 168
EDR ............................................................... 25
Electronic key
If your electronic key battery is
discharged ........................................ 784
Emergency flashers .............................. 816
Emergency, in case of
If the electronic key does not
operate properly.............................872
If the engine will not start ...............868
If the shift lever cannot be
shifted from “P” ............................... 870
If the vehicle has discharged
battery ................................................. 875
If the warning buzzer
sounds ................................................. 826D
E

947Alphabetical index
LX570_OM_OM60L96U_(U) Keyless entry ............................................. 35
Keys
Electronic key......................................... 30
If you lose your keys .......................... 871
If your electronic key battery
is discharged ........................ 784, 872
Ignition switch.........................................177
Keyless entry........................................... 35
Key number..............................................32
Keys ............................................................. 30
Mechanical key ..................................... 30
Wireless remote control key...........49
Knee airbags ............................................ 126
Language
Multi-information
display...................................................922
License plate lights ............................... 810
Light bulbs
Replacing...............................................803
Wattage .................................................896
Lights
Door courtesy lights ........................686
Emergency flasher switch ...............816
Fog light switch................................... 220
Hazard light switch.............................816
Headlights switch .............................. 208
Interior light switch............................ 687
Personal light switch ....................... 688
Replacing light bulbs .......................803
Turn signal lever...................................189
Vanity lights .......................................... 702
Wattage .................................................896 Load capacity ......................................... 375
Lock steering column ...........................179
Luggage compartment lights
Switch...................................................... 689
Wattage ................................................. 896
Maintenance
Do-it-yourself maintenance.......... 747
General maintenance ..................... 743
Maintenance data ............................. 886
Maintenance requirements ..........740
Reset the maintenance data ...........741
Meter
Instrument panel light
control ................................................... 194
Meters........................................................192
Micro dust and pollen filter...............450
Mirrors
Inside rear view mirror ..................... 102
Mirror position memory ....................83
Side mirrors ........................................... 104
Vanity mirrors ......................................702
Moon roof .................................................... 111
MP3 disc ................................................. 509
Multi-information display ................. 200
Multi Terrain ABS................................. 349
Multi-terrain Select ............................. 344
Navigation System
* Noise from under vehicle..................... 22
Odometer................................................. 192
Off road precautions...........................363
Oil
Engine oil................................................753K
L M
N
O
* : Refer to the “Navigation System Owner’s Manual”.

948Alphabetical index
LX570_OM_OM60L96U_(U) Opener
Back door................................................. 56
Fuel filler door......................................... 116
Hood........................................................750
Outside rear view mirrors
Adjusting and folding ....................... 104
Outside temperature
display ....................................................455
Overhead console ...............................693
Overheating, Engine...........................878
Paddle shift switches .................. 184, 186
Parking brake .......................................... 190
Parking lights
Switch ......................................................208
PCS ............................................................ 357
Personal lights
Switch ..................................................... 688
Power back door ..................................... 57
Power outlet............................................705
Power steering
Fluid ..........................................................894
Power windows ......................................108
Pre-collision system............................. 357
Radar cruise control ............................ 236
Radiator ....................................................758
Radio .......................................................... 487
Rear air conditioning
system.....................................................456
Rear seat
Adjustment................................................. 71
Folding the third seats ........................ 75
Tumbling second seats....................... 72
Rear seat entertainment system ..... 579 Rear step bumper ................................... 58
Rear turn signal lights
Replacing light bulbs .......................809
Wattage ................................................. 896
Rear view monitor system ................ 262
Rear window defogger ...................... 460
Rear window wiper.............................. 228
Replacing
Key battery ........................................... 784
Fuses ........................................................ 786
Light bulbs ............................................803
Tires.......................................................... 854
Reporting safety defects for
U.S. owners.......................................... 926
Resetting the message indicating
maintenance is required .................. 741
Roll sensing of curtain shield
airbags off switch.................................139
Roof luggage carrier........................... 368
Safety Connect ..................................... 726
Seat belts
Adjusting the seat belt ......................... 91
Automatic Locking Retractor ........ 95
Child restraint system
installation ..............................................151
Cleaning and maintaining
the seat belts .................................... 738
Emergency Locking
Retractor ............................................... 95
How to wear your seat belt .............. 91
How your child should wear
the seat belt.......................................... 95
Pre-collision seat belts........................94
Pregnant women, proper seat
belt use .................................................... 97P
R S

951Alphabetical index
LX570_OM_OM60L96U_(U) Warning buzzers
Brake system ....................................... 826
Open door ........................................... 828
Seat belt reminder ............................ 829
Warning lights
“AFS OFF” indicator ........................ 828
Anti-lock brake system .................. 827
Brake system ....................................... 826
Charging system ............................... 826
Fuel level ................................................ 828
Malfunction indicator lamp .......... 827
Master warning light ........................830
Open door ........................................... 828
Pre-collision system ......................... 827
Seat belt reminder light .................. 829
Slip indicator light .............................. 828
SRS airbags .......................................... 827
Tire pressure........................................ 829
Unengaged “Park” ........................... 829
Warning messages.............................. 837
Warning reflector holder.................... 717
Washer
Checking ............................................... 765
Preparing and checking
before winter .................................... 376
Switch ...........................................222, 228
Washing and waxing ...........................734
Weight ...................................................... 886
Wheels ...................................................... 779
Wide view front & side monitor ..... 303
Window glasses .................................... 108
Window lock switch............................. 108 Windows
Power windows ...................................108
Rear window defogger.................. 460
Washer ....................................... 222, 228
Windshield wipers................................ 222
Windshield wiper de-icer................... 461
Wireless remote control key
Replacing the battery.......................784
Wireless remote control key .......... 49
WMA disc .............................................. 509W
* : Refer to the “Navigation System Owner’s Manual”.