2020 LEXUS LX570 key battery

554
LX570_OM_OM60R61U_(U)7-2. Steps to take in an emergency
If the vehicle battery is discharged
If you have a set of jumper (or booster)
cables and a second vehicle with a 12-volt
battery, you can jump start your Lexus following the steps below.
Confirm that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate and
doors locked. ( P. 84)
Open the hood. Remove the engine compartment cover. ( P. 478)
Connect the jumper cables.
Positive (+) battery terminal on your vehicle
Positive (+) battery termin al on the second vehicle
Negative (-) battery terminal on the second vehicle
Connect the jumper cable to ground on your vehicle as shown in the illus-
tration.
The following procedures may be used to start the engine if the vehicle’s bat-
tery is discharged.
You can also call your Lexus dealer or qualified repair shop.
1
2
3
1
2
3
4

614What to do if... (Troubleshooting)
LX570_OM_OM60R61U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. ( P. 118)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 120)
●Is the electronic key battery weak or depleted? ( P. 507)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (P. 212)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
( P. 140)
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 124)
If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

615What to do if... (Troubleshooting)
LX570_OM_OM60R61U_(U)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 211)
●Is the shift lever in P? ( P. 211)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 139)
●Is the steering wheel unlocked? ( P. 214)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 552)
●Is the battery discharged? ( P. 554)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( P. 222)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal

620Alphabetical index
LX570_OM_OM60R61U_(U)
Care ................................................ 462, 465Aluminum wheels ..............................462
Exterior....................................................462
Interior .................................................... 465
Radar sensor ........................................ 373
Seat belts ............................................... 466
Cargo capacity........................................192
Cargo hooks .......................................... 435
Cargo net hooks ................................... 435
CD player
*
Chains ....................................................... 390
Child restraint system............................ 56 Booster seat definition........................ 57
Booster seat installation.....................68
Convertible seat definition ............... 57
Convertible seat installation ............66
Front passenger occupant classification system ......................... 49
Infant seat/convertible seat definition................................................. 57
Infant seat/convertible seat installation .............................................. 64
Installing CRS with LATCH system .................................. 62
Installing CRS with seat belt ............ 64
Installing CRS with top tether strap..........................................................69
LATCH system...................................... 62 Child safety ................................................ 55
Airbag precautions................................ 41
Back door precautions..................... 133
Battery precautions ............. 487, 556
Child-protectors .................................. 124
Child restraint system......................... 56
How your child should wear the seat belt .......................................... 34
Installing child restraints ...................... 61
Moon roof precautions .................... 177
Power window lock switch............... 171
Power window precautions ........... 173
Rear door child-protectors ............ 124
Removed key battery precautions ...................................... 508
Safety information................................. 55
Seat belt extender precautions ......37
Seat belt precautions .......................... 36
Seat heater precautions ................... 421
Child-protectors .................................... 124
Cleaning ....................................... 462, 465 Aluminum wheels .............................. 462
Exterior ................................................... 462
Interior ..................................................... 465
Radar sensor........................................ 373
Seat belts................................................ 466
Climate concierge switch................. 406
Clock......................................................... 440
Coat hooks ..............................................452
Compass .....................................................96
Condenser.............................................. 483
Cool box .................................................. 438
C

622Alphabetical index
LX570_OM_OM60R61U_(U)
Drive information .................................... 99
Driver’s seat belt reminder light ..... 527
Driver’s seat position memory ..........157
Driving........................................................ 180 Break-in tips ............................................ 181
Correct posture..................................... 28
Driving in the rain.................................. 181
Driving mode select switch ........... 291
Off-road precautions.......................393
Procedures ............................................180
Winter drive tips ................................ 389
Driving position memory..................... 157 Driving position memory ................ 157
Memory recall function.................... 158
Power easy access system ............ 157
DVD player
*
Dynamic radar cruise control with full-speed range Function .................................................. 276
Eco Driving Indicator Light ...................91
EDR (Event data recorder) ...................10
Electronic key ........................................... 116 Battery-saving function .................... 140
If the electronic key does not operate properly.............................. 551
Replacing the battery ...................... 507 Emergency, in case of
If a warning buzzer sounds .......... 525
If a warning light turns on .............. 525
If a warning message is displayed ............................................ 533
If the electronic key does not operate properly ............................. 551
If the engine will not start ............... 549
If the vehicle battery is discharged.........................................554
If the vehicle is trapped in rising water ..........................................516
If you have a flat tire .......................... 537
If you lose your keys..................118, 120
If you think something is wrong................................................... 523
If your vehicle becomes stuck.... 560
If your vehicle has to be stopped in an emergency.............................. 515
If your vehicle needs to be towed ..................................................... 517
If your vehicle overheats ................ 557
Emergency flashers .............................. 514
E

625Alphabetical index
LX570_OM_OM60R61U_(U)
Hill-start assist control ........................ 384
Hood .......................................................... 476
HooksCargo hooks ........................................435
Cargo net hooks ................................435
Coat hooks ...........................................452
Retaining hooks (floor mat) ............. 26
Horn .............................................................164
I/M test ..................................................... 473
Identification Engine ..................................................... 565
Vehicle ................................................... 565
Ignition switch (engine switch)........... 211
Ignition switch light (engine switch light) ......................... 425
Illuminated entry system .....................427
Immobilizer system................................. 80
Indicators .................................................... 86
Initialization Engine oil maintenance data....... 469
Items to initialize................................. 600
Power window ...................................... 172
Tire pressure warning system .....492
Inside rear view mirror .........................166
Instrument panel light control ............ 94
Interior lights........................................... 425 Switch.......................................................426
Intuitive parking assist......................... 294 Jack
Vehicle-equipped jack ................... 537
Jack handle ..............................................537
Jam protection function Moon roof ................................................. 171
Power back door opener and closer ............................................ 132
Power windows.................................... 175
Keyless entry Smart access system with push-button start ............................. 138
Wireless remote control................... 116
Keys .............................................................. 116 Battery-saving function ....................140
Electronic key ......................................... 116
Engine switch ..........................................211
If the electronic key does not operate properly ............................. 551
If you lose your keys..................118, 120
Key number plate ................................. 116
Keyless entry ........................................... 116
Keys ............................................................. 116
Mechanical key...................................... 116
Replacing the battery ...................... 507
Warning buzzer...................................139
Knee airbags ............................................. 38
I
J
K
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

628Alphabetical index
LX570_OM_OM60R61U_(U)
Power steeringFluid.......................................................... 570
Power windows ........................................ 171 Jam protection function ..................... 171
Operation ................................................. 171
Window lock switch............................ 171
Radar cruise control (dynamic radar cruise control with
full-speed range) ............................... 276
Radiator .................................................... 483
Radio
*
Rear air conditioning system ............ 418
Rear seat ................................................... 148 Adjustment ............................................. 148
Folding the third seats ........................ 151
Tumbling the second seats ............ 149
Rear side marker lights ...................... 228 Light switch ...........................................228
Replacing light bulbs ......................... 512
Rear turn signal lights ......................... 224 Replacing light bulbs ......................... 512
Turn signal lever ................................. 224
Rear view mirror Inside rear view mirror ..................... 166
Outside rear view mirrors .............. 168
Rear view monitor system
*
Rear window defogger ........................413
Rear window wiper.............................. 242
Refueling .................................................. 246 Capacity ................................................ 566
Fuel types .............................................. 566
Opening the fuel tank cap.............246 Remote touch/12.3-inch
display .................................................... 400
Replacing Electronic key battery ..................... 507
Fuses ....................................................... 509
Light bulbs............................................... 512
Tires .......................................................... 537
Reporting safety defects for U.S. owners ......................................... 602
Resetting the message indicating maintenance is required .................469
Safety Connect ......................................... 74
Scheduled maintenance ................... 468
Seat belts .................................................... 30 Adjusting the seat belt........................ 33
Automatic Locking Retractor ........ 34
Child restraint system installation ............................................... 61
Cleaning and maintaining the seat belt ............................................... 466
Emergency locking retractor ......... 34
How to wear your seat belt............. 28
How your child should wear the seat belt .......................................... 34
Pregnant women, proper seat belt use ................................................... 35
Reminder light and buzzer ........... 527
Seat belt extender ................................ 34
Seat belt pretensioners...................... 33
SRS warning light .............................. 525
R
S

633Alphabetical index
LX570_OM_OM60R61U_(U)
Warning lights ....................................... 525ABS.......................................................... 525
Automatic headlight leveling system ..................................................526
Brake system........................... 525, 528
Center differential lock.................... 527
Charging system............................... 525
Low fuel level ....................................... 527
Low speed four-wheel drive ...................................................... 527
Malfunction indicator lamp .......... 525
Master warning light......................... 527
Open door ............................................ 527
Parking brake....................................... 527
PCS...........................................................526
Power steering system.................... 527
Seat belt reminder light................... 527
Slip indicator .........................................526
SRS ........................................................... 525
Tire pressure ........................................ 527 Warning messages.............................. 533
Warning reflector holder.................. 436
Washer .......................................... 238, 242
Checking ...............................................489
Preparing and checking before winter ....................................389
Switch .......................................... 238, 242
Washing and waxing ...........................462
Weights .................................................... 564
Wheels ..................................................... 503 Replacing wheels .............................. 537
Size ............................................................. 571
Window glasses........................................171
Window lock switch................................171
Windows Power windows...................................... 171
Rear window defogger .................... 413
Washer ....................................... 238, 242
Windshield wiper de-icer ................... 413
Windshield wipers ............................... 238
Winter driving tips ............................... 389
Wireless charger...................................443
Wireless remote control key.............. 116 Locking/Unlocking ............................. 116
Panic mode .............................................. 117
Replacing the battery ...................... 507
WMA disc
*
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.