2018 Lexus IS300 parking brake

5338-2. Steps to take in an emergency
8
When trouble arises
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
A buzzer also sounds.
→ Have the vehicle inspected by your Lexus dealer.
Indicates that the vehicle is being driven at 3 mph (5
km/h) or more with the pa rking brake still engaged.
A buzzer also sounds.
→ Release the parking brake.
Warning messageDetails/Actions
(U.S.A.) (Canada) (Flashes)

5568-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
●Stop the vehicle in a safe place on a hard, flat surface.
●Set the parking brake.
●Shift the shift lever to P.
●Stop the engine.
●Turn on the emergency flashers. ( →P. 512)
If you have a flat tire
Your vehicle is equipped with a spare tire. The flat tire can be replaced with
the spare tire.
For details about tires: → P. 483
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat ti re can damage the tire and the wheel beyond
repair, which could re sult in an accident.
Before jacking up the vehicle

5658-2. Steps to take in an emergency
8
When trouble arises
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
WARNING
■When using the compact spare tire
●Remember that the compact spare tire provid ed is specifically designed for use with
your vehicle. Do not use your comp act spare tire on another vehicle.
●Do not use more than one compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting operations
that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may not
operate correctly:
Also, not only can the following system not be utilized fully, but it may even negatively
affect the drive-train components:
•AWD system
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to observe
this precaution may lead to an accident causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibilit y of personal injury during a collision or sudden brak-
ing.
• ABS & Brake assist
•VSC
•TRAC
• Dynamic radar cruise control
•PCS
•EPS
• AFS (if equipped) • Adaptive Variable Suspension System
(if equipped)
• LDA (Lane Departure Alert with
steering control)
• Lexus parking assist monitor (if equipped)
• Intuitive parking assist (if equipped)
• Navigation system (if equipped)

5688-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
One of the following may be the cause of the problem:
●One or both of the battery terminals may be disconnected.
●The battery may be discharged. ( →P. 572)
●There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the follo wing steps can be used as an interim
measure to start the engine if the engine switch is functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while depressing the
brake pedal firmly.
Even if the engine can be started using the above steps, the system may be mal-
functioning. Have the vehicle in spected by your Lexus dealer.
The starter motor does not turn over, the interior lights and headlights
do not turn on, or the horn does not sound.
Emergency start function
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5808-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
Stop the engine. Set the parking br ake and shift the shift lever to P.
Remove the mud, snow or sand from around the rear wheels.
Place wood, stones or some other materi al under the rear wheels to help pro-
vide traction.
Restart the engine.
Shift the shift lever to D or R and rele ase the parking brake. Then, while exer-
cising caution, depress the accelerator pedal.
■When it is difficult to free the vehicle
If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt or snow:
Press to turn off TRAC.
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5929-1. Specifications
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
IS350 AWD/IS350/IS300 AWD/IS300 (vehicles without LSD [Limited
Slip Differential])
IS350 (vehicles with LSD [Limited Slip Differential])
*: Your Lexus vehicle is filled with “Toyota Genu ine Differential Gear Oil” at the factory.
Use Lexus approved “Toyota Genuine Differen tial Gear Oil” or an equivalent oil of
matching quality to satisfy the above specif ication. Please contact your Lexus dealer
for further details.
*1: Minimum pedal clearance when depressed wi th a force of 112.4 lbf (500 N, 51.0 kgf)
while the engine is running.
*2: Parking brake pedal travel when depressed with a force of 67.4 lbf (300 N, 30.6 kgf)
Rear differential
Oil capacity1.42 qt. (1.35 L, 1.19 Imp. qt.)
Oil type and viscosityToyota Genuine Differential gear oil LT
75W-85 GL-5 or equivalent
*
Oil capacity1.42 qt. (1.35 L, 1.19 Imp. qt.)
Oil type and viscosityToyota Genuine Differential gear oil LX
75W-85 GL-5 or equivalent
*
Brakes
Pedal clearance*12WD4.2 in. (107 mm) Min.
AWD4.7 in. (118 mm) Min.
Pedal free play0.04 — 0.24 in. (1.0 — 6.0 mm)
Brake pad wear limit0.04 in. (1.0 mm)
Parking brake lining wear limit0.04 in. (1.0 mm)
Parking brake pedal travel*27 ⎯ 10 clicks
Fluid typeSAE J1703 or FMVSS No. 116 DOT 3, or
SAE J1704 or FMVSS No. 116 DOT 4
Steering
Free playLess than 1.2 in. (30 mm)

611
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
9
Vehicle specifications
9-2. Customization
When customizing vehicle features, ensure that the vehicle is parked in a safe
place with the shift lever in P and the parking brake set.
■Changing by using the Remote Touch or Lexus Display Audio controller
Vehicles with a Remote Touch
Press the “MENU” button on the Remote Touch.
Select on the “Menu” screen and select .
Various setting can be changed. Refer to the list of settings that can be
changed for details.
Vehicles with a Lexus Display Audio controller
Press the “MENU” button on the Lexus Display Audio controller.
Select “Setup” on the “Menu” screen and select “Vehicle”.
Various setting can be changed. Refer to the list of settings that can be
changed for details.
■Changing by using the meter control switches
→ P. 95
Customizable features
Your vehicle includes a variety of elec tronic features that can be personalized
to suit your preferences. The settings of these features can be changed by
using the meter control switches, the Remote Touch or Lexus Display Audio
controller or at your Lexus dealer.
Customizing vehicle features
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636What to do if... (Troubleshooting)
IS350 AWD/IS350/IS300 AWD/IS300_U(OM53E34U)
●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. 154)
●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. 180)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (→P. 524)
●The parking brake indicator is on
Is the parking brake released? ( →P. 192)
Depending on the situation, other types of warning buzzer may also sound.
(→ P. 522, 529)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (→ P. 71)
Do one of the following to de activate or stop the alarms:
• Unlock the doors or open the trunk.
• Turn the engine switch to ACCESSOR Y or IGNITION ON mode, or start
the engine. The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds