key battery LEXUS LS600H 2015 Owner's Manual

5277-2. Steps to take in an emergency
7
When trouble arises
LS600hL_U(OM50E41U)
If you have a set of jumper (or booster) cables and a second vehicle with a
12-volt battery, you can jump start your vehicle by following the steps
below.
Open the trunk lid and remove the 12-volt battery cover. ( P. 450)
In the event that the trunk opener cannot be used, use the mechanical key to open
the trunk. ( P. 5 2 4 )
Connect the jumper cables according to the following procedure:
Positive (+) battery terminal on your vehicle
Positive (+) battery terminal on the second vehicle
Negative (-) battery terminal on the second vehicle
Negative (-) battery terminal on your vehicle
Start the engine of the second ve hicle. Increase the engine speed
slightly and maintain at that le vel for approximately 5 minutes to
recharge the 12-volt battery of your vehicle.
Open and close any of th e doors of your vehicle with the power switch
off.
If the 12-volt battery is discharged
The following procedures may be used to start the hybrid system if the
12-volt battery is discharged.
You can also call your Lexus dealer or a qualified repair shop.
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5287-2. Steps to take in an emergency
LS600hL_U(OM50E41U)
Maintain the engine speed of the second vehicle and start the hybrid
system of your vehicle by turning the power switch to ON mode.
Make sure the “READY” indicator co mes on. If the indicator does not
come on, contact your Lexus dealer.
Once the hybrid system has started, remove the jumper cables in the
exact reverse order from wh ich they were connected.
Once the hybrid system starts, have the vehicle inspected at your Lexus
dealer as soon as possible.
■Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio system while the hybrid system 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.
■When the 12-volt battery is removed or discharged
The hybrid system may not start.
(  P. 4 5 1 )
■Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even when the
vehicle is not in use, due to natural discharge and the draining effects of certain elec-
trical appliances. If the vehicle is left for a long time, the 12-volt battery may dis-
charge, and the hybrid system may be unable to start. (The 12-volt battery recharges
automatically while the hybrid system is operating.)
■When recharging or replacing the 12-volt battery
●Make sure that the key is not inside the vehicle when recharging or replacing the
12-volt battery. The key may be locked in the vehicle if the alarm is activated.
(  P. 9 1 )
●In some cases, it may not be possible to unlock the doors using the smart access
system with push-button start when the 12-volt battery is discharged. Use the wire-
less remote control or the mechanical key to lock or unlock the doors.
■If the 12-volt battery is discharged
The information stored in the computer will be deleted.
If the 12-volt battery is discharged, have the vehicle inspected by your Lexus dealer.
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5728-2. Customization
LS600hL_U(OM50E41U)
*1:If equipped
*2: The default setting varies according to countries.
*3: U.S.A. only
*4: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MAN-UAL”.
■Vehicle customization
●When the smart access system with push-button start is off, the entry unlock func-
tion cannot be customized.
●When the doors remain closed after un locking the doors and the timer activated
automatic door lock function activates, signals will be generated in accordance
with the operation buzzer volume and operational signal (Emergency flashers)
function settings.
■When customizing using the Remote Touch
Stop the vehicle in a safe place, apply the parking brake, and shift the shift lever to P.
Also, to prevent 12-volt battery discharge, leave the hybrid system operating while
customizing the features.
Illumination
(  P. 3 6 0 )
Operation of the outer foot
lights when you approach
the vehicle with the elec-
tronic key on your person
OnOff——O
Operation of the outer foot
lights when the doors are
unlocked with the power
door lock switch
OnOff——O
Seat belt
reminder
(
P. 4 9 6 )
Vehicle speed linked seat
belt reminder buzzerOnOff——O
ItemFunctionDefault
settingCustom-
ized setting123

592
LS600hL_U(OM50E41U)
What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys
can be made by your Lexus dealer. ( P. 122)
●If you lose your electronic keys, the risk of vehicle theft
increases significantly. Contact your Lexus dealer immediately.
( P. 1 2 4 )
●Is the electronic key battery weak or depleted? ( P. 4 7 2 )
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( P. 217)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the elec-
tronic key on your person.
●The function may not operate pr operly due to the condition of
the radio wave. ( P. 1 3 4 )
If you have a problem, check the following 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

594What to do if... (Troubleshooting)
LS600hL_U(OM50E41U)●
Did you press the power switch
while firmly depressing the
brake pedal? ( P. 2 1 6 )
●Is the shift lever in P? ( P. 2 1 6 )
●Is the electronic key anywhere detectable inside the vehicle?
( P. 1 2 9 )
●Is the steering wheel unlocked? ( P. 2 1 8 )
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary
way. ( P. 5 2 6 )
●Is the 12-volt battery discharged? ( P. 5 2 7 )
●Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake
pedal with the power switch in ON mode ( P. 5 1 9 )
●It is locked automatically to prevent theft of the vehicle.
( P. 218)
If you think something is wrong
The hybrid system does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
The steering wheel cannot be turn ed after the hybrid system is
stopped

600Alphabetical index
LS600hL_U(OM50E41U)
Card key ................................................... 120
Care ................................................. 418, 422Aluminum wheels ............................... 419
Exterior..................................................... 418
Interior ..................................................... 422
Seat belts ................................................ 423
Cargo capacity........................................213
Cargo hooks .......................................... 373
Cargo net ................................................ 373
Caution label ...............................................81
Chains ....................................................... 327
Child restraint system............................ 62 Booster seats, definition .................... 62
Booster seats, installation.................... 71
Convertible seats, definition ............ 62
Convertible seats, installation .........69
Front passenger occupant classification system .........................55
Infant seats, definition .......................... 62
Infant seats, installation .......................69
Installing CRS with LATCH anchors .....................68
Installing CRS with seat belts ..........69
Installing CRS with top tether strap ......................... 72 Child safety .................................................. 61
12-volt battery precautions ........................... 452, 529
Airbag precautions.............................. 45
Child restraint system......................... 62
Climate control seat precautions .........................................391
Heated steering wheel precautions .......................................386
How your child should wear the seat belt ................................. 37, 38
Installing child restraints .................... 66
Moon roof precautions ....................195
Power window lock switch............ 189
Power window precautions ............ 191
Rear door child-protectors ............146
Removed electronic key battery precautions .............. 473
Seat belt comfort guide ......................37
Seat belt extender precautions ....... 41
Seat belt precautions .......................... 65
Trunk precautions ............................... 152
Child-protectors .................................... 146
Cigarette lighter ................................... 380
Cleaning .........................................418, 422 Aluminum wheels ................................419
Exterior .....................................................418
Interior ..................................................... 422
Seat belts................................................ 423
Climate control seat ........................... 387
Climate control seat filter ................. 390
Clock......................................................... 378
Clock light ............................................... 360
Coat hooks ............................................... 401
Coin holder .............................................367
Condenser............................................... 447
C

602Alphabetical index
LS600hL_U(OM50E41U)
Driver’s seat position memory .......... 172
Driving........................................................ 198Break-in tips .......................................... 199
Correct driving posture .................... 34
Driving mode select switch ......... 283
Hybrid vehicle driving tips............. 323
Procedures ............................................ 198
Winter drive tips .................................325
Dynamic radar cruise control with full-speed range ....................... 257 Function .................................................. 257
Eco drive mode ..................................... 283
EDR (Event data recorder) .................... 11
Electric motor (traction motor) ..........76
Electric Power Steering (EPS) ....... 290 Function ................................................. 290
Warning light .......................................494
Electronic key ......................................... 120 If the electronic key does not operate properly.............................524
Replacing the battery ....................... 472
Electronically modulated air suspension............................................ 287
Emergency flashers ............................. 484 Emergency, in case of
If the 12-volt battery is discharged......................................... 527
If the electronic key does not operate properly ........ 524
If the hybrid system will not start ......................................... 517
If the parking brake cannot be released .......................520
If the shift lever cannot be shifted from P ..............519
If the warning buzzer sounds ...... 493
If the warning light turns on .......... 493
If the warning message is displayed ........................................503
If you have a flat tire ...............506, 515
If you think something is wrong .............................................. 492
If your vehicle becomes stuck......................................................535
If your vehicle has to be stopped in an emergency..........485
If your vehicle needs to be towed .......................................486
If your vehicle overheats ................530
E

606Alphabetical index
LS600hL_U(OM50E41U)
JackPositioning a floor jack .................... 437
Vehicle-equipped jack ........507, 516
Jack handle ................................... 507, 516
Jam protection function Moon roof .............................................. 193
Power trunk opener and closer.............................................. 151
Power windows ................................... 190
Rear door suns hade ........................ 399
Keyless entry ............................................125 Smart access system with push-button start ................... 125
Wireless remote control ................... 141
Keys............................................................. 120 Electronic key ....................................... 120
Engine switch ........................................ 216
If the electronic key does not operate properly ........524
If you lose your keys .................122, 124
Key number plate ............................... 120
Keyless entry ................................. 125, 141
Mechanical key ...................................... 121
Power switch......................................... 216
Replacing the battery ....................... 472
Warning buzzer .................................. 130
Wireless remote control key .......... 141
Knee airbags ............................................. 42 Lane-keeping assist (LKA) ............... 273
Operation.............................................. 275
Language (multi-information display)..............109
LATCH anchors ...................................... 68
Lever Auxiliary catch lever ......................... 436
Hood lock release lever................. 436
Internal trunk release lever .............. 151
Shift lever ............................................... 223
Turn signal lever ..................................227
Wiper lever........................................... 244
Lexus Climate Concierge................ 335
Lexus Enform Safety Connect .........410
Lexus parking assist monitor
*
Lexus night view .....................................318
License plate lights ...............................234 Light switch........................................... 234
Replacing light bulbs .........................481
Welcome light illumination control .......................... 126
Light bulbs Replacing .................................................481
Wattage ................................................. 549
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K
L

609Alphabetical index
LS600hL_U(OM50E41U)
Pre-Collision System (PCS) ............ 296Function ..................................................296
Pre-collision braking off switch................................................... 298
Warning light ...................................... 495
Radar cruise control (dynamic radar cruise control) ........................ 257
Radiator .................................................... 447
Rear air conditioning system ............ 351
Rear Cross Traffic Alert ..................... 315
Rear door sunshades .......................... 398
Rear seat Adjustment ............................................. 162
Climate control seats ...................... 388
Seat position memory........................ 177
Rear seat entertainment system
*
Rear seat relaxation system ............... 167
Rear side marker lights ...................... 234 Light switch ........................................... 234
Replacing light bulbs ......................... 481
Welcome light illumination cont rol ......................... 126
Rear sunshade ....................................... 395 Operation ............................................. 395
Reverse operation feature.............397 Rear turn signal lights .......................... 227
Replacing light bulbs .........................481
Turn signal lever ..................................227
Rear view mirror Inside rear view mirror..................... 183
Outside rear view mirrors ............. 185
Rear window defoggers .................... 358
Refueling...................................................249 Capacity.................................................540
Fuel types...................................249, 540
If the fuel filler door cannot be opened ......................... 252
Opening the fuel tank cap .............. 251
Regenerative braking.............................78
Remote Touch ....................................... 330
Remote Touch screen........................ 330
Replacing Electronic key battery ......................472
Fuses ........................................................ 474
Light bulbs...............................................481
Tires ......................................................... 506
Reporting safety defects for U.S. owners ...................................576
Resetting the message indicating maintenance
is required .............................................426
Retractable table .................................. 393
Road accident cautions ........................ 85
Run-flat tires ............................................. 515
R
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

615Alphabetical index
LS600hL_U(OM50E41U)
Warning buzzersApproach warning ............................264
Brake system........................................493
Downshifting ........................................ 226
Key reminder ........................................ 130
No-handed driving warning ........278
Open door ........................................... 496
Open moon roof ................................ 195
Pre-collision braking ........................ 297
Seat belt reminder ............................ 496
Warning lights .......................................... 95 ABS...........................................................494
Brake hold operated indicator ............................................. 495
Brake system........................... 493, 495
Charging system................................494
Electric power steering...................494
Low fuel level ...................................... 496
Malfunction indicator lamp ...........494
Master warning light........................ 496
Open door ........................................... 496
Parking brake indicator ................. 495
Pre-collision system......................... 495
Seat belt reminder light.................. 496
Slip indicator ........................................ 495
SRS ............................................................494
Tire pressure ........................................ 497 Washer ......................................................244
Checking ............................................... 449
Preparing and checking before winter .................................... 325
Switch ...................................................... 244
Washing and waxing ............................ 418
Weight Cargo capacity..................................... 213
Load limits ............................................... 213
Weight ....................................................538
Welcome light illumination control ..................................................... 126
Wheels ...................................................... 467 Replacing wheels .............................. 467
Size ........................................................... 546
Window glasses......................................189
Window lock switch..............................189
Windows....................................................189 Power windows................................... 189
Rear window defogger ..................358
Windshield wiper de-icer ................. 359
Windshield wipers ................................244
Winter driving tips ............................... 325
Wireless remote control key...............141 Locking/Unlocking ..............................141
Replacing the battery .......................472
W