battery Lexus GS350 2018 Repair Manual

526
GS350_300_GS F_OM_OM30G34U_(U)8-1. Specifications
*: The fluid capacity is the quantity of reference.
If replacement is necessary, contact your Lexus dealer.
Electrical system
Battery
Open voltage at 68 °F (20 °C):12.3 V or higher
(Voltage is checked 20 minutes after the engine
and all lights are turned off.)
Charging rates5 A
Automatic transmission
Fluid capacity*
GS350 (2WD)10.0 qt. (9.5 L, 8.4 Imp.qt.)
GS350 (AWD)10.6 qt. (10.0 L, 8.8 Imp.qt.)
GS3009.2 qt. (8.7 L, 7.7 Imp.qt.)
GS F11.8 qt. (11.2 L, 9.9 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Automatic transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration
in shift quality, locking up of your transm ission accompanied by vibration, and ulti-
mately damage the transmission of your vehicle.
Front differential (AWD models)
Oil capacity0.74 qt. (0.70 L, 0.62 Imp.qt.)
Oil type and viscosityToyota Genuine Differential gear oil GL-5 or equivalent
Above 0 °F (-18 °C): SAE90
Below 0 °F (-18 °C): SAE80W or SAE80W-90

GS350_300_GS F_OM_OM30G34U_(U)
5418-1. Specifications
8
Vehicle specifications
Occupant distributionDistribution of occupants in a vehicle as specified in the
third column of Table 1* below
Production options weight
The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they re place, not previously con-
sidered in curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a rim by
style or code
Rim widthNominal distance between rim flanges
Vehicle capacity weight
(Total load capacity)The rated cargo and luggage load plus 150 lb. (68 kg)
times the vehicle’s desi gnated seating capacity
Vehicle maximum load on
the tireThe load on an individual tire that is determined by dis-
tributing to each axle its share of the maximum loaded
vehicle weight, and dividing by two
Vehicle normal load on the
tireThe load on an individual tire that is determined by dis-
tributing to each axle its sh are of curb weight, accessory
weight, and normal occupant weight (distributed in
accordance with Table 1
* below), and dividing by two
Weather sideThe surface area of the rim not covered by the inflated
tire
Bead
The part of the tire that is made of steel wires, wrapped
or reinforced by ply cords an d that is shaped to fit the
rim
Bead separationA breakdown of the bond between components in the
bead
Bias ply tireA pneumatic tire in which the ply cords that extend to
the beads are laid at altern ate angles substantially less
than 90 degrees to the centerline of the tread
CarcassThe tire structure, except tread and sidewall rubber
which, when inflated, bears the load
ChunkingThe breaking away of pieces of the tread or sidewall
CordThe strands forming th e plies in the tire
Tire related termMeaning

558
GS350_300_GS F_OM_OM30G34U_(U)8-2. Customization
■Rear sunshade* (
→ P. 341)
*: If equipped
■Seat belt reminder buzzer ( →P. 436)
■Vehicle customization
●When the speed linked door locking function and shift position linked door locking
function are both on, the door lock operates as follows.
• When shifting the shift lever to any position other than P, all the doors will be locked.
• If the vehicle is started with all the doors locked, the speed linked door locking func-
tion would not operate.
• If the vehicle is started with any door un locked, the speed linked door locking func-
tion will operate.
●When the smart access system with push-button start is off, the selecting door to
unlock cannot be customized.
●When the doors remain closed after unloc king the doors and the automatic door lock
function (time elapsed before the automatic d oor lock function is activated if a door is
not opened after being unlock ed) activates, the signals will be generated in accordance
with the operation signal (buzzers) and the operation signal (emergency flashers) set-
tings.
●Some settings can be changed using a switch or the Remote Touch screen. If a setting is
changed using a switch, the changed setting will not be reflected on the Remote Touch
screen until the engine switch is turn ed off and then to IGNITION ON mode.
■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 battery discharge, leave the engine running while customizing the features.
FunctionDefault settingCustomized setting
Reverse operationOnOff——O
Time elapsed before the reverse opera-
tion feature activates0.7
seconds
0 second
——O
0.9
seconds
1.2
seconds
123
FunctionDefault
settingCustomized setting
Speed-linked seat belt reminder func-
tionOnOff——O
123

GS350_300_GS F_OM_OM30G34U_(U)
5598-2. Customization
8
Vehicle specifications
WARNING
■During customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilation. In a closed area such as a garage, exhaust
gases including harmful carbon monoxide (CO) may collect and enter the vehicle. This
may lead to death or a serious health hazard.
NOTICE
■During customization
To prevent battery discharge, ensure that the engine is running while customizing fea-
tures.

560
GS350_300_GS F_OM_OM30G34U_(U)8-3. Initialization
Items to initialize
*1: U.S.A. only
*2: GS350/GS300
The following items must be initialized for normal system operation after such
cases as the battery being reconnected
, or maintenance being performed on
the vehicle:
ItemWhen to initializeReference
Message indicating mainte-
nance is required
*1• After the maintenance is per- formedP. 366
Oil maintenance*2• After the maintenance is per-
formedP. 384
Tire pressure warning system
• When rotating the tires
• When changing the tire inflationpressure by changing traveling
speed or load weight, etc.
P. 395

576What to do if... (Troubleshooting)
GS350_300_GS F_OM_OM30G34U_(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. 134)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. (→ P. 135)
●Is the electronic key battery weak or depleted? ( →P. 410)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (→P. 198)
●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. 152)
●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. 140)
●The function to prevent the electronic key from being left inside the trunk will
operate and you can open th e trunk as usual. Take the key out from the trunk.
(→ P. 145)
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
The trunk lid is closed with the electronic key left inside

577What to do if... (Troubleshooting)
GS350_300_GS F_OM_OM30G34U_(U)
●Did you press the engine switch while firmly depressing the brake pedal?
(→ P. 197)
●Is the shift lever in P? ( →P. 199)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 150)
●Is the steering wheel unlocked? (→ P. 199)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (→P. 502)
●Is the battery discharged? ( →P. 504)
●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. 208)
●It is locked automatically to prevent theft of the vehicle. ( →P. 199)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( →P. 175)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( →P. 199)
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
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically

581Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
Approach warning............................... 265
Armrest .................................................... 340
Armrest door ......................................... 343
ASC (Active Sound Control) ...........215
Ashtrays.................................................... 339
Assist grips .............................................. 344
Audio input
*
Audio system*
Automatic headlight leveling system ..................................................... 218
Automatic light control system.........216
Automatic transmission ..................... 202 If the shift lever cannot be shifted from P .................................. 208
M mode ................................................. 205
Paddle shift switches ........................204
AUX port
*
Auxiliary boxes ...................................... 333
AVS (Adaptive Variable Suspension system).......................... 289
Back-up lights Replacing light bulbs ........................420
Battery....................................................... 390
Battery checking................................... 390 If the vehicle battery is discharged ........................................ 504
Preparing and checking before winter ....................................................296
Warning light .......................................434 Blind Spot Monitor (BSM) ................278
Blind Spot Monitor function...........281
Rear Cross Traffic Alert function................................................ 283
Bluetooth
®*
Brake Fluid ..........................................................389
Parking brake ..........................................211
Warning light ........................... 434, 436
Warning message............................... 441
Brake assist ............................................. 288
Brake Hold................................................ 213
Break-in tips .............................................183
Brightness control Instrument panel light control............................................ 89, 97
BSM (Blind Spot Monitor) ................278 Blind Spot Monitor function...........281
Rear Cross Traffic Alert function................................................ 283
Card key .................................................... 132
Care................................................358, 362 Aluminum wheels ..............................359
Exterior ...................................................358
Interior ..................................................... 362
Seat belts................................................ 363
Cargo capacity ....................................... 194
Cargo hooks .......................................... 334
CD player
*
Chains ....................................................... 298
BC
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

582Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
Child restraint system............................ 59Booster seats, definition ....................59
Booster seats, installation.................. 67
Convertible seats, definition ............59
Convertible seats, installation .........65
Front passenger occupant classification system ......................... 52
Infant seats, definition ..........................59
Infant seats, installation .......................65
Installing CRS with LATCH anchors ..................... 64
Installing CRS with seat belts ..........65
Installing CRS with top tether strap .........................68
Child safety ................................................ 58 Airbag precautions .............................. 44
Battery precautions .............. 391, 508
Child restraint system .........................59
How your child should wear the seat belt ................................. 37, 38
Installing child restraints..................... 63
Moon roof precautions....................180
Power window lock switch ............ 175
Power window precautions ........... 177
Rear door child-protectors ........... 140
Removed electronic key battery precautions.................. 411
Seat belt comfort guide ..................... 37
Seat belt extender precautions ......40
Seat belt precautions .......................... 62
Seat heater precautions.................. 322
Trunk precautions............................... 146 Child-protectors .................................... 140
Cleaning .......................................358, 362
Aluminum wheels ..............................359
Exterior ...................................................358
Interior ..................................................... 362
Seat belts................................................ 363
Clock................................................. 87, 339
Coat hooks ..............................................344
Condenser.............................................. 388
Console box ............................................. 331
Console box light ................................... 331
Consumption screen ............................ 128
Cooling system ..................................... 386 Engine overheating ......................... 509
Consumption screen ............................ 127
Cruise control Cruise control ..................................... 270
Dynamic radar cruise control with full-speed range ...................258
Cup holders............................................ 332
Curtain shield airbags ............................ 42
Customizable features ...................... 545
Daytime running light system............ 217
Defogger Front windshield................................... 314
Outside rear view mirrors .............. 314
Rear window.......................................... 314
Differential Front differential ................................. 526
Rear differential................................... 527
D

584Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
Eco drive mode ..................................... 273
Eco Driving Indicator............................. 85
Eco driving meter .................................... 92
EDR (Event data recorder) ...................10
Electric Power Steering (EPS) ....... 289Function ................................................. 289
Warning light .......................................435
Warning message .............................. 441
Electronic key ..........................................132 Battery-saving function .................... 152
If the electronic key does not operate properly.............................. 501
Replacing the battery ........................ 410
Emergency, in case of If a warning buzzer sounds...........434
If a warning light turns on...............434
If a warning message is displayed ......................................... 441
If the electronic key does not operate properly ......... 501
If the engine will not start................ 497
If the parking brake cannot be released ....................... 499
If the vehicle battery is discharged ........................................ 504
If you have a flat tire ..............472, 483
If you think something is wrong............................................... 432
If your vehicle becomes stuck ...... 515
If your vehicle has to be stopped in an emergency .............................425
If your vehicle needs to be towed .......................................426
If your vehicle overheats ............... 509 Emergency flashers .............................424
Emergency tire puncture repair
kit ............................................................. 483
Engine Accessory mode ................................ 198
Compartment ..................................... 376
Engine switch ........................................ 197
Hood........................................................ 373
How to start the engine.................... 197
Identification number.......................520
Ignition switch (engine switch.................................... 197
Overheating........................................ 509
Engine compartment cover..............379
Engine coolant ...................................... 386 Capacity................................................. 525
Checking ...............................................386
Preparing and checking before winter .................................... 296
Engine coolant temperature gauge ................................................ 86, 94
Engine immobilizer system .................. 72
Engine oil ...................................................381 Capacity................................................. 522
Checking ................................................ 381
Oil level warning message ............. 441
Oil pressure warning message............................. 441
Preparing and checking before winter .................................... 296
E