key battery LEXUS LS460L 2016 Owner's Manual

6317-2. Steps to take in an emergency
7
When trouble arises
LS460/LS460L_GE (OM50G06E)
Use the mechanical key built in to the electronic keys to operate the
doors. ( P. 145)
On some models: An alarm will sound if the alarm is set when the trunk or doors
are unlocked. ( P. 112)
■Doors
Remove the cover on the
driver’s door handle.
If the electronic key does not operate properly
If communication between the electronic key and vehicle is inter-
rupted ( P. 163) or the electronic key cannot be used because the
battery is depleted, the smart entry & start system and wireless remote
control cannot be used. In such cases, the doors and trunk can be
opened and the engine can be started by following the procedure
below.
Locking and unlocking the doors, unlocking the trunk and key
linked functions
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6347-2. Steps to take in an emergency
LS460/LS460L_GE (OM50G06E)
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of
the electronic key to the engine
switch.
If any of the doors is opened or closed
after the key was touched to the
switch to start the vehicle, an alarm
will sound to indicate that the start
function cannot detect the key.
Press the engine switch within 10 seconds of the buzzer sounding,
keeping the brake pedal depressed.
In the event that the engine still cannot be started, contact your Lexus
dealer.
■Stopping the engine
Shift the shift lever to P and press the engi ne switch as you normally do when stop-
ping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted. ( P. 575)
■Alarm (on some models)
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.
■Changing engine switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the
engine switch.
The engine does not start and modes will be changed each time the switch is
pressed. ( P. 260)
Starting the engine
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6367-2. Steps to take in an emergency
LS460/LS460L_GE (OM50G06E)
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.
Confirm that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depending on the sit-
uation, the alarm may activate and
doors locked. (P. 114)
Open the hood. Remove the engine compartment covers and battery
cover. ( P. 536, 541, 543)
If the vehicle battery is discharged
The following procedures may be used to start the engine if the vehi-
cle’s battery is discharged.
You can also call your Lexus deal er or a qualified repair shop.
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6397-2. Steps to take in an emergency
7
When trouble arises
LS460/LS460L_GE (OM50G06E)
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic.
■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 recharging or replacing the battery
In some cases, it may not be possible to unlock the doors using the smart entry &
start system when the battery is discharged. Use the wireless remote control or the
mechanical key to lock or unlock the doors.
■If the battery is discharged
The information stored in the computer will be deleted.
If the battery is discharged, have the vehicle inspected by your Lexus dealer.

682
LS460/LS460L_GE (OM50G06E)
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. 147)
●If you lose your electronic keys, the risk of vehicle theft
increases significantly. Contact your Lexus dealer immediately.
( P. 152)
●Is the electronic key battery weak or depleted? (P. 575)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 260)
●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 properly due to the condition of
the radio wave. ( P. 163)
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

684What to do if... (Troubleshooting)
LS460/LS460L_GE (OM50G06E)
●Did you press the engine switch while firmly depressing the
brake pedal? ( P. 259)
●Is the shift lever in P? (P. 259)
●Is the electronic key anywhere detectable inside the vehicle?
( P. 157)
●Is the steering wheel unlocked? (P. 261)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way.
( P. 634)
●Is the battery discharged? (P. 636)
●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. 267, 275)
●It is locked automatically to prevent theft of the vehicle.
( P. 261)
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
The steering wheel cannot be turned after the engine is stopped

690Alphabetical index
LS460/LS460L_GE (OM50G06E)
Card key.................................................... 144
Care .................................................. 510, 514
Aluminum wheels ................................. 511
Exterior..................................................... 510
Interior .......................................................514
Seat belts................................................. 515
Cargo hooks ........................................... 465
Cargo net................................................. 465
Chains ........................................................ 401
Child restraint system ............................ 72
Baby seats (infant seats),
definition .................................................72
Baby seats (infant seats),
installation................................................ 91
Child seats (convertible seats),
definition .................................................72
Child seats (convertible seats),
installation................................................ 91
Front passenger occupant
classification system......................... 64
Installing CRS with ISOFIX
rigid anchors........................................ 94
Installing CRS with seat belts............91
Installing CRS with top strap .......... 95
Junior seats (booster seats),
definition .................................................72
Junior seats (booster seats),
installation.............................................. 93
Child safety .................................................. 71
Airbag precautions ............................. 54
Battery precautions............... 551, 640
Child restraint system ......................... 72
Climate control seat
precautions ....................................... 482
Heated steering wheel
precautions ........................................ 477
How your child should wear
the seat belt.................................. 47, 48
Installing child restraints .................... 89
Moon roof precautions ...................243
Power window lock switch .......... 236
Power window precautions......... 238
Rear door child-protectors ........... 188
Removed electronic key
battery precautions........................577
Seat belt comfort guide...................... 47
Seat belt precautions.......................... 50
Seat heater precautions ................. 482
Trunk precautions ............................... 194
Child-protectors.................................... 188
Cigarette lighter ..................................... 471
Cleaning.......................................... 510, 514
Aluminum wheels..................................511
Exterior .....................................................510
Interior....................................................... 514
Seat belts .................................................515
C

692Alphabetical index
LS460/LS460L_GE (OM50G06E)
Doors .......................................................... 186
Automatic door locking and
unlocking system............................. 189
Door glasses ........................................ 236
Door lock................................................ 186
Open door warning buzzer ......... 158
Open door warning light ............. 608
Outside rear view mirrors............. 232
Rear door child-protector ............. 188
Double locking system ........................... 111
Driver’s seat position memory ......... 218
Driving ....................................................... 246
Break-in tips ......................................... 248
Correct driving posture .................... 44
Driving mode select switch ..........354
Eco-friendly driving tips .................403
Procedures ........................................... 246
Winter drive tips.................................399
Dynamic radar cruise control........... 313
Function ....................................................313
Dynamic radar cruise control with
full-speed range .................................328
Function ..............................................328
Eco drive mode ..................................... 354
Eco Driving Indicator............................132
Eco-friendly driving tips..................... 403
Electric Power Steering (EPS) .........361
Function.................................................... 361
Warning light.......................................606
Electronic key ..........................................144
If the electronic key does not
operate properly .............................. 631
Replacing the battery ...................... 575
Electronically modulated air
suspension ........................................... 358
Emergency brake signal......................361
Emergency flashers ............................. 594
E

693Alphabetical index
LS460/LS460L_GE (OM50G06E)
Emergency, in case of
If the electronic key does not
operate properly ..............................631
If the engine will not start ............... 627
If the parking brake cannot be
released............................................... 629
If the vehicle battery is
discharged.........................................636
If the warning buzzer sounds ..... 605
If the warning light turns on ......... 605
If the warning message is
displayed ..............................................614
If you have a flat tire ........................... 618
If you think something is
wrong .................................................. 603
If your vehicle becomes stuck.....645
If your vehicle has to be stopped
in an emergency ............................ 595
If your vehicle needs to be
towed .................................................. 596
If your vehicle overheats ..................641
Engine
ACCESSORY mode ..................... 260
Air cleaner ............................................ 554
Compartment ..................................... 539
Engine switch ...................................... 259
Hood ....................................................... 536
How to start the engine ................. 259
Identification number.........................651
If the engine will not start ................627
Ignition switch (engine switch) ... 259
Overheating .......................................... 641
Engine compartment cover ...............541
Engine coolant....................................... 547
Capacity................................................. 656
Checking ............................................... 547
Preparing and checking before
winter ................................................... 399
Engine coolant temperature
gauge .......................................................125
Engine immobilizer system ............... 104
Engine oil ................................................. 544
Capacity................................................. 653
Checking ............................................... 544
Preparing and checking before
winter ................................................... 399
Engine switch ......................................... 259
EPS (Electric Power Steering) .........361
Function.................................................... 361
Warning light.......................................606

696Alphabetical index
LS460/LS460L_GE (OM50G06E)
Identification ...........................................650
Engine....................................................... 651
Vehicle ................................................... 650
Ignition switch (engine switch) ........ 259
Illuminated entry system ....................450
Immobilizer system ............................... 104
Indicators................................................... 123
Initialization
Moon roof ............................................. 242
Power windows.................................. 237
Tire pressure warning
system ................................................. 558
Initiators (tire pressure warning
system) ................................................... 566
Inside door handle lights .................... 447
Inside rear view mirror ....................... 229
Instrument panel light control .......... 126
Instrument panel ornament
lights ........................................................ 447
Interior lights ...........................................448
Front interior lights ............................448
Rear interior lights .............................448
Interior lights list .................................... 447
Intrusion sensor and tilt sensor ..........115
ISOFIX rigid anchors.............................89
Jack
Positioning the jack .......................... 537
Vehicle-equipped jack..................... 619
Jack handle ...............................................619
Jam protection function
Moon roof ............................................... 241
Power trunk lid ..................................... 193
Power window .................................... 237
Rear door sunshade ........................ 492
Keyless entry ............................................153
Smart entry & start system ............. 153
Wireless remote control ..................177
Keys.............................................................. 144
Electronic key........................................ 144
Engine switch ...................................... 259
If the electronic key does not
operate properly .............................. 631
If you lose your keys ................ 147, 152
Key number plate ................................ 144
Keyless entry................................ 153, 177
Mechanical key .................................... 145
Replacing the battery ...................... 575
Warning buzzer...................................158
Wireless remote control key..........177
Knee airbags ...............................................51
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