2015 Lexus GS200t key battery

5897-2. Steps to take in an emergency
7
When trouble arises
GS350_200t_GS F_OM_OM30E87E_(EE)
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.
When the electronic key is detected, a
buzzer sounds and the engine switch
will turn to IGNITION ON mode.
When the smart entry & start system is
deactivated in customization setting, the
engine switch will turn to ACCESSORY
mode.
Firmly depress the brake pedal and check that and a message (GS F
only) are shown on the multi-information display.
Press the engine switch.
In the event that the engine still cannot be started, contact any authorized Lexus
dealer or repairer, or another duly qualified and equipped professional.
■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when stopping
the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. ( →P. 4 8 5 )
■Alarm (if equipped)
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
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes w ill be changed each time the switch is
pressed.( →P. 2 4 0 )
■When the electronic key does not work properly
●Make sure that the smart entry & start syst em has not been deactivated in the customi-
zation setting. If it is off, turn the function on.
(Customizable features: →P. 6 2 8 )
●Check if battery-saving mode is set. If it is set, cancel the function. (→P. 1 74 )
Starting the engine
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2
3
4
3

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7
7-2. Steps to take in an emergency
When trouble arises
GS350_200t_GS F_OM_OM30E87E_(EE)
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 vehicle by following the steps below.
Confirm that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depending on the situa-
tion, the alarm may activate and doors
locked. ( →P. 9 4 )
Open the hood. ( →P. 4 4 5 )
GS200t/GS F: Remove the engine cover.
The following procedures may be used to start the engine if the vehicle’s bat-
tery is discharged.
You can also call any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional.
1
2
3
XGS200tXGS F
Raise the front of the engine cover
to remove the front clips, and then
raise the rear of the engine cover
to remove the rear clips.

5947-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30E87E_(EE)
■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 un lock the doors using the smart entry & start
system when the battery is discharged. Use the wireless remote control or the mechan-
ical key to lock or unlock the doors.
●The engine may not start on the first attempt after the battery has recharged but will
start normally after the second attempt. This is not a malfunction.
●The engine switch mode is memorized by the vehicle. When the battery is recon-
nected, the system will return to the mode it was in before the battery was discharged.
Before disconnecting the battery, turn the engine switch off.
If you are unsure what mode the engine switch was in before the battery discharged, be
especially careful when reconnecting the battery.

646What to do if... (Troubleshooting)
GS350_200t_GS F_OM_OM30E87E_(EE)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys can be made
by any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional. (→P. 1 5 6 )
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional immediately. ( →P. 1 5 7 )
●Is the electronic key battery weak or depleted? ( →P. 4 8 5 )
●Vehicles with entry function
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( →P. 2 4 0 )
●Vehicles with entry function
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 due to the condition of the radio wave.
(→ P. 1 7 5 )
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( → P. 1 6 3 )
If you have a problem, check the foll owing before contacting any authorized
Lexus dealer or repairer, or another duly qualified and equipped professional.
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

647What to do if... (Troubleshooting)
GS350_200t_GS F_OM_OM30E87E_(EE)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk.
(→ P. 1 6 8 )
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 2 3 9 )
●Is the shift lever in P? ( →P. 2 4 1 )
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 1 7 3 )
●Is the steering wheel unlocked? ( →P. 2 4 1 )
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( →P. 5 8 9 )
●Is the battery discharged? ( →P. 5 9 1 )
●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. 585)
●It is locked automatically to prevent theft of the vehicle. ( →P. 2 4 1 )
The trunk lid is closed with the electronic key left inside
If you think som
ething 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

652Alphabetical index
GS350_200t_GS F_OM_OM30E87E_(EE)
Card key.................................................... 154
Care ............................................... 434, 438Aluminum wheels ..............................435
Exterior.................................................... 434
Interior .....................................................438
Seat belts ................................................439
Cargo hooks........................................... 422
CD player
*
Chains ...................................................... 383
Child restraint system ............................ 64 Baby seats, definition .......................... 65
Baby seats, installation ........................77
Child seats, definition.......................... 65
Child seats, installation........................77
Installing CRS with ISOFIX
rigid anchors........................................80
Installing CRS with seat belts...........77
Installing CRS with top strap ............81
Junior seats, definition ........................ 65
Junior seats, installation ..................... 79 Child safety ................................................ 63
Airbag precautions ............................. 53
Battery precautions..............463, 595
Child restraint system .........................64
How your child should wear the seat belt......................47, 48
Installing child restraints .....................76
Moon roof precautions .................... 219
Power window lock switch ............ 213
Power window precautions........... 215
Rear door child-protectors ............ 163
Removed electronic key battery precautions....................... 486
Seat belt comfort guide......................47
Seat belt precautions.......................... 50
Seat heater precautions ................. 409
Trunk precautions .............................. 169
Child-protectors ....................................163
Cleaning....................................... 434, 438 Aluminum wheels.............................. 435
Exterior ................................................... 434
Interior..................................................... 438
Seat belts ............................................... 439
C

654Alphabetical index
GS350_200t_GS F_OM_OM30E87E_(EE)
Double locking system ........................... 91
Drive info 1/Drive info 2/Drive info 3 ................................. 126, 138Drive information ...................... 122, 130
Resetting........................................ 122, 130
Drive-start control...................... 223, 251
Driver’s seat position memory ......... 198 Driving position memory ................ 199
Memory recall function ................... 201
Power easy access system ............ 198
Driving ....................................................... 222 Break-in tips ......................................... 224
Correct driving posture .................... 44
Driving mode select switch ..........356
Procedures ........................................... 222
Winter drive tips.................................382
Dynamic radar cruise control........... 341 Function ....................................................341
Warning message.............................. 518
Dynamic radar cruise control with
full-speed range ................................. 329Function .................................................. 329
Warning message.............................. 518
DVD player
*
Eco drive mode .....................................356
Eco Driving Indicator ........................... 106
Eco Driving Indicator Light ................................................126, 137 Eco driving meter .................................... 113
Electric Power Steering (EPS) ....... 375
Function.................................................. 375
Warning light......................................... 513
Warning message ..............................518
Electronic key ..........................................154
Battery-saving function .................... 175
If the electronic key does not operate properly........................... 588
Replacing the battery ...................... 485
Emergency, in case of If a warning buzzer sounds ............ 512
If a warning light turns on ................ 512
If a warning message is
displayed ..............................................518
If the battery is discharged .............591
If the electronic key does not operate properly........................... 588
If the engine will not start ............... 583
If the parking brake cannot be released .......................................586
If the shift lever cannot be
shifted from P...................................585
If you have a flat tire............... 551, 567
If you think something is wrong ................................................510
If your vehicle becomes stuck .... 602
If your vehicle has to be stopped in an emergency ......... 503
If your vehicle needs to
be towed ............................................ 504
If your vehicle overheats................ 596
E

658Alphabetical index
GS350_200t_GS F_OM_OM30E87E_(EE)
JackPositioning the jack ........................... 446
Vehicle-equipped jack ...... 552, 568
Jack handle.................................. 552, 568
Jam protection function Moon roof ............................................... 217
Power trunk lid..................................... 169
Power window ...................................... 213
Keyless entry ............................................173 Smart entry & start system .............. 173
Wireless remote control ..................154
Keys ............................................................. 154 Battery-saving function.....................175
Electronic key ........................................154
Engine switch....................................... 239
If the electronic key does not operate properly ........................... 588
If you lose your keys ................ 156, 157
Key number plate ................................154
Keyless entry ............................... 154, 173
Mechanical key.................................... 155
Replacing the battery...................... 485
Warning buzzer ................................... 174
Wireless remote control key .........154
Knee airbags............................................... 51 Language (multi-information
display) ........................................ 629, 631
Lever
Auxiliary catch lever......................... 445
Hood lock release lever ................ 445
Shift lever ............................................... 245
Turn signal lever................................. 253
Wiper lever ...........................................274
Lexus parking assist monitor
*
Lexus parking assist-sensor*
Function*
Warning message ..............................518
Lexus Safety System+......................... 284
AHS (Adaptive High-beam System) ............................................... 263
Automatic High Beam ................... 268
Dynamic radar cruise control ....... 341
Dynamic radar cruise control with full-speed range ................... 329
LDA (Lane Departure Alert with steering control).....................315
LKA (Lane-Keeping Assist) ........ 305
PCS (Pre-Crash Safety system) ................................................ 293
RSA (Road Sign Assist) ..................324
License plate lights .............................. 260 Light switch........................................... 260
Replacing light bulbs ....................... 498
Welcome light illumination
control ...................................................160
Light bulbs
Replacing............................................... 492
Wattage ................................................. 625
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