2015 Lexus GS350 brake

5197-2. Steps to take in an emergency
GS350_OM_OM30F69U_(U)
7
When trouble arises
Remove the plug.
Insert the tool and press it down
firmly while turning it counter-
clockwise until it stops.
■Manual operation of the parking brake
The parking brake canno t be set manually.
3
4
CAUTION
■When releasing the parking brake manually
●Shift the shift lever to P, turn the engine switch off and chock the tires. Failure to
do so may cause the vehicle to move, resulting in an accident.
●Turn the engine switch off and check that the parking brake indicator is off. Failure
to do so may cause the system to oper ate and turn the inserted parking brake
release tool, resulting in an injury.

5217-2. Steps to take in an emergency
GS350_OM_OM30F69U_(U)
7
When trouble arises
■Trunk
Turn the mechanical key clock-
wise to open.
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.
The engine switch will turn to IGNI-
TION ON mode.
When the smart access system with
push-button start is deactivated in
customization setting, the engine
switch will turn to ACCESSORY
mode.
Firmly depress the brake pedal and check that is shown on the
multi-information display.
Press the engine switch.
In the event that the engine still cannot be started, contact your Lexus
dealer.
Starting the engine
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2
3
4

5227-2. Steps to take in an emergency
GS350_OM_OM30F69U_(U)
■Stopping the engine
Shift the shift lever to P and press the engine 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. 4 2 5 )
■Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is
pressed.( P. 1 7 8 )
■When the electronic key does not work properly
●Make sure that the smart access system with push-button start has not been deac-
tivated in the customization setting. If it is off, turn the function on.
(Customizable features:  P. 559)
●Check if battery-saving mode is set. If it is set, cancel the function. ( P. 113)
CAUTION
■When using the mechanical key and operating the power windows and moon
roof
Operate the power window or moon roof af ter checking to make sure that there is
no possibility of any passenger having any of their body parts caught in the window
or moon roof.
Also, do not allow children to operate the mechanical key. It is possible for children
and other passengers to get caught in the power window or moon roof.
3

530
GS350_OM_OM30F69U_(U)
7-2. Steps to take in an emergency
If the vehicle becomes stuck
Stop the engine. Set the parking brake and shift the shift lever to P.
Remove the mud, snow or sand from around the rear wheels.
Place wood, stones or some other material under the rear wheels to
help provide traction.
Restart the engine.
Shift the shift lever to D or R and release the parking brake. Then, while
exercising caution, depress the accelerator pedal.
■When it is difficult to free the vehicle
Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
Press to turn off TRAC. ( P. 2 5 0 )
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2
3
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5

540
GS350_OM_OM30F69U_(U)
8-1. Specifications
Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the fac-
tory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus dealer
for further details.
*: Minimum pedal clearance when depressed with a force of 112.4 lbf (500 N,
51.0 kgf) while the engine is running.
Front differential (AWD models)
Oil capacity 0.74 qt. (0.70 L, 0.62 Imp.qt.)
Oil type and viscosity
Hypoid gear oil API GL-5
Above 0F (-18 C): SAE90
Below 0 F (-18 C): SAE80W or SAE80W-90
Rear differential
Oil capacity1.43 qt. (1.35 L, 1.19 Imp.qt.)
Oil type and viscosityToyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
Brakes
Pe d a l c l e a r a n c e*2WD4.5 in. (115 mm) Min.
AW D5.0 in. (126 mm) Min.
Pedal free play0.04 — 0.08 in. (1.0 — 2.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3
Steering
Free playLess than 1.2 in. (30 mm)

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GS350_OM_OM30F69U_(U)
8-1. Specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of automatic transmis-
sion, power steering, power brakes, power windows,
power seats, radio and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil and
coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the number of occupants speci-
fied in the second column of Table 1
* that follows
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 replace, not previously
considered 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

GS350_OM_OM30F69U_(U)
5698-2. Customization
8
Vehicle specifications
■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 d oors locked, the speed linked door locking
function would not operate.
• If the vehicle is started with any door unlocked, the speed linked door locking
function 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 unlocking the doors and the automatic door
lock function (time elapsed before the automatic door lock function is activated if a
door is not opened after being unlocked) ac tivates, the signals will be generated in
accordance with the operation signal (buzzers) and the operation signal (emer-
gency flashers) 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 battery discharge, leave the engine running while customizing the
features.
CAUTION
■During customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilatio n. In a closed area such as a garage,
exhaust gases including harmful carbon mo noxide (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
features.

590What to do if... (Troubleshooting)
GS350_OM_OM30F69U_(U)
●Did you press the engine switch while firmly depressing the
brake pedal? (P. 177)
●Is the shift lever in P? ( P. 180)
●Is the electronic key anywhere detectable inside the vehicle?
( P. 110)
●Is the steering wheel unlocked? ( P. 181)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way.
( P. 521)
●Is the battery discharged? ( P. 523)
●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. 517)
●It is locked automatically to prevent theft of the vehicle.
(P. 180)
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