2017 Lexus IS300h maintenance

IS300h_EE(OM53D89E)
Pictorial indexSearch by illustration
1For safety
and securityMake sure to read through them
2Instrument clusterHow to read the gauges and me ters, the variety of warning
lights and indicators, etc.
3Operation of
each component
Opening and closing the door s and windows, adjustment
before driving, etc.
4DrivingOperations and advice whic h are necessary for driving
5Lexus Display
Audio systemOperating the Lexus Display Audio system
6Interior featuresUsage of the interior features, etc.
7Maintenance
and careCaring for your vehicle and maintenance procedures
8When trouble
arisesWhat to do in case of malfunction or emergency
9Vehicle
specificationsVehicle specifications, customizable features, etc.
IndexSearch by symptom
Search alphabetically

TABLE OF CONTENTS6
IS300h_EE(OM53D89E)
6-5. Using the other interior
features
Other interior features ............. 491
• Sun visors.................................. 491
• Vanity mirrors......................... 491
• Clock.......................................... 491
• Power outlet ........................... 492
• Armrest ....................................493
• Rear sunshade.......................493
• Assist grips..............................495
• Coat hooks .............................495
ERA-GLONASS.......................496
7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior................ 502
Cleaning and protecting
the vehicle interior ................. 506
7-2. Maintenance
Maintenance
requirements............................ 509
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ...................................511
Hood ................................................ 513
Positioning a floor jack.............. 514
Engine compartm ent................. 515
12-volt battery.............................. 522
Tires .................................................525
Replacing the tire ....................... 537
Tire inflation pressure...............543
Wheels ...........................................545
Air conditioning filter................ 547
Electronic key battery ..............549
Checking and replacing
fuses ..............................................552
Light bulbs .....................................556
7Maintenance and care

7
1
9
8
7
6
4
3
2
IS300h_EE(OM53D89E)
5
8-1. Essential information
Emergency flashers...................566
If your vehicle has to
be stopped in
an emergency........................... 567
8-2. Steps to take in an
emergency
If your vehicle needs to
be towed .................................... 568
If you think something is
wrong ........................................... 574
If a warning light turns
on or a warning buzzer
sounds ..........................................575
If a warning message is
displayed ...................................... 581
If you have a flat tire
(vehicles with
emergency tire
puncture repair kit) ................. 610
If you have a flat tire
(vehicles with run-flat
tires) ..............................................625
If the hybrid system will
not start........................................ 626
If the electronic key does
not operate properly .............628
If the 12-volt battery is
discharged .................................. 631
If your vehicle overheats .........636
If the vehicle becomes
stuck............................................... 641
9-1. Specifications
Maintenance data
(fuel, oil level, etc.)................... 644
Fuel information ..........................655
9-2. Customization
Customizable features ............ 657
9-3. Initialization
Items to initialize ......................... 666
What to do if...
(Troubleshooting) ...............................668
Alphabetical index................................. 672
8When trouble arises
9Vehicle specifications
Index
For vehicles with a 10.3-inch display, refer to “NAVIGATION AND MULTI-
MEDIA SYSTEM OWNER’S MANUAL” for information regarding the equip-
ment listed below.
• Navigation system• Audio/video system
Toyota Motor Europe NV/SA, Avenue du Bourget 60 - 1140 Brussels, Bel-
gium www.toyota-europe.com

801-2. Hybrid system
IS300h_EE(OM53D89E)
■After the 12-volt battery has discharged or when the terminal has been removed and
installed during exchange, etc.
The gasoline engine may not stop even if the vehicle is being driven by the hybrid battery
(traction battery). If this continues for a few days, contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
■Sounds and vibrations specific to a hybrid vehicle
There may be no engine sound or vibration even though the vehicle is able to move with
the “READY” indicator is illuminated. For sa fety, apply the parking brake and make sure to shift the shift lever to P when parked.
The following sounds or vibrations may occu r when the hybrid system is operating and
are not a malfunction:
●Motor sounds may be heard from under the vehicle.
●Sounds may be heard from the hybrid battery (traction battery) behind the rear seats
when the hybrid system starts or stops.
●Relay operating sounds such as a snap or so ft clank will be emitted from the hybrid bat-
tery (traction battery), under the rear seats, when the hybrid system is started or
stopped.
●Sounds from the hybrid system may be heard when the trunk lid is open.
●Sounds may be heard from the transmission when the gasoline engine starts or stops,
when driving at low speeds, or during idling.
●Engine sounds may be heard when accelerating sharply.
●Sounds may be heard due to regenerative braking when the brake pedal is depressed
or as the accelerator pedal is released.
●Vibration may be felt when the ga soline engine starts or stops.
●Cooling fan sounds may be heard from the air intake vents on the both sides of the rear
seatback.
■Maintenance, repair, re cycling, and disposal
Contact any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer regarding maintenance, repair, recycling and disposal. Do not dispose of the
vehicle yourself.
■Customization
Settings (e.g. on/off operation of the EV indicator) can be changed.
(Customizable features: P. 657)

86
IS300h_EE(OM53D89E)
1-3. Theft deterrent system
The indicator light flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the power switch has been turned to
ACCESSORY or ON mode to indi-
cate that the system has been canceled.
■System maintenance
The vehicle has a maintenance-fr ee type immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object
●If the key is in close proximity to or touching a key registered to the security system (key
with a built-in transponde r chip) of another vehicle
Immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the hybrid sys-
tem from starting if a key has not been previously registered in the vehicle’s
on-board computer.
Never leave the keys inside the ve hicle when you leave the vehicle.
This system is designed to help prev ent vehicle theft but does not guarantee
absolute security against all vehicle thefts.

931-3. Theft deterrent system
1
For safety and security
IS300h_EE(OM53D89E)
Do one of the following to deactivate or stop the alarm:
●Unlock the doors or open the trunk using the entry function or wireless
remote control.
●Start the hybrid system. (The alarm will be deactivated or stopped after a few
seconds.)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing:
●Nobody is in the vehicle.
●The windows and moon roof (if equipped ) are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
Deactivating or stopping the alarm

1212. Instrument cluster
2
Instrument cluster
IS300h_EE(OM53D89E)
■ RSA (Road Sign Assist) (if equipped) (P. 288)
The following RSA settings can be changed:
*: Vehicles with a navigation system
■Vehicle settings
ItemSettingsDetails
RSA On Select to enable/disable the RSA.Off
Excess speed
notification
No notificationSelect to set the notification method
used to warn the driver if the vehicle
speed exceeds the speed displayed on the speed limit sign on the multi-
information display.
Display only
Display and buzzer
Excess speed notifica-
tion level
10 km/h (5 mph)Select to set the speed threshold over
which the excess speed notification will start to operate when a speed
limit sign is disp layed on the multi-
information display.
5 km/h (3 mph)
2 km/h (1 mph)
Other notifications
No notificationSelect to set the notification method used to warn the driver if the system
detects the following:
• The vehicle is overtaking when a no overtaking sign is displayed on the
multi-information display.
• The vehicle is entering a no-entry
area when a no-entry sign is dis- played on the multi-information dis-
play.*
Display only
Display and buzzer
ItemSettingsDetails
Oil maintenance
Engine oil maintenance data reset
Select to reset the engine oil mainte- nance information (message indicat-
ing maintenance is required and
distance until the next oil change) after engine oil ma intenance is per-
formed. ( P. 518)

1242. Instrument cluster
IS300h_EE(OM53D89E)
◆Display items
■Odometer
Displays the total distance the vehicle has been driven.
■Trip meter A/trip meter B
Displays the distance the vehicle has been driven since the meter was last
reset. Trip meters A and B can be used to record and display different dis-
tances independently.
To reset, display the desired trip meter and press and hold the odometer/trip meter
and trip meter reset button.
■ Distance until next engine oil change
Displays the distance the vehicle can be driven until an oil change is neces-
sary.
◆Pop-up display
In some situations the following will be temporarily displayed:
■ Distance until next engine oil change
Displays the distance until the next engi ne oil change. This display will be dis-
played in the following situations:
• When the power switch is turned to ON mode.
• When a warning message indicating that oil maintenance should be performed soon or is required is displayed.
◆Speed warning
When set to on, the vehicl e speed at which the speed warning will start oper-
ating will be displayed. If the vehicle exceeds the set speed, the speed display
will flash and a buzzer will sound.
• To display the odometer, etc. while the sp eed warning is set to on, press the odome-
ter/trip meter and trip meter reset button. (If the button has not been operated for a
certain amount of time, the sp eed warning will be displayed.) • The speed at which the speed warning wi ll start operating can be changed on .
( P. 119)
Odometer/trip meter display area