stop start Lexus IS300h 2015 Owner's Manual

TABLE OF CONTENTS6
IS300h_EE(OM53D56E)
7-1. Maintenance and careCleaning and protecting the vehicle exterior ................. 442
Cleaning and protecting the vehicle interior ..................446
7-2. Maintenance Maintenance requirements............................. 449
7-3. Do-it-yourself maintenance Do-it-yourself service precautions ................................. 451
Hood ...............................................453
Positioning a floor jack ............. 454
Engine compartment................455
12-volt battery..............................463
Tires ..................................................466
Replacing the tire ........................476
Tire inflation pressure................482
Wheels............................................484
Air conditioning filter................486
Electronic key battery ............. 488
Checking and replacing fuses ............................................... 491
Light bulbs .....................................495 8-1. Essential information
Emergency flashers.................... 512
If your vehicle has to be stopped in an
emergency .................................. 513
8-2. Steps to take in an emergency
If your vehicle needs to be towed ...................................... 514
If you think something is wrong ...........................................520
If a warning light turns on or a warning buzzer
sounds........................................... 521
If a warning message is displayed..................................... 527
If you have a flat tire (vehicles with
emergency tire
puncture repair kit).................545
If you have a flat tire (vehicles with run-flat
tires) ..............................................559
If the hybrid system will not start ...................................... 560
If the shift lever cannot be shifted from P ............................ 562
7Maintenance and care8When trouble arises

16Pictorial index
IS300h_EE(OM53D56E)
■Instrument panel (Left-hand drive vehicles)
Power switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 2 1 2
Starting the hybrid system/changing the modes. . . . . . . . . . . . . . . . . . . . . . . . . .P. 212
Emergency stop of the hybrid system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 513
When the hybrid system will not start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 560
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 54 0
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 219
Changing the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 219
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 514
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 562
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 109
Reading the meters/adjusting the instrument panel light . . . . . . . . . . . . . . . . P. 109
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 104
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 521
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24Pictorial index
IS300h_EE(OM53D56E)
■Instrument panel (Right-hand drive vehicles)
Power switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 2 1 2
Starting the hybrid system/changing the modes. . . . . . . . . . . . . . . . . . . . . . . . . .P. 212
Emergency stop of the hybrid system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 513
When the hybrid system will not start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 560
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 54 0
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 219
Changing the shift position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 219
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 514
When the shift lever does not move . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 562
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 109
Reading the meters/adjusting the instrument panel light . . . . . . . . . . . . . . . . P. 109
Warning lights/indicator lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 104
When the warning lights come on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 521
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371-1. For safe use
1
For safety and security
IS300h_EE(OM53D56E)
Make sure that you can see backward clearly by adjusting the inside and outside
rear view mirrors properly. (→P. 179, 181)
Adjusting the mirrors
CAUTION
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Do not adjust the position of the driver’s seat while driving.
Doing so could cause the driver to lose control of the vehicle.
●Do not place a cushion between the driver or passenger and the seatback.
A cushion may prevent correct posture from being achieved, and reduce the effec-
tiveness of the seat belt and head restraint.
●Do not place anything under the front seats.
Objects placed under the front seats may be come jammed in the seat tracks and stop
the seat from locking in place. This may lead to an accident and the adjustment mech-
anism may also be damaged.
●When driving over long distances, take regular breaks before you start to feel tired.
Also, if you feel tired or sleepy while drivin g, do not force yourself to continue driving
and take a break immediately.

801-2. Hybrid system
IS300h_EE(OM53D56E)
◆When stopped/during start off
The gasoline engine stops when the vehicle is stopped. During start off, the
electric motor (traction motor) drives the vehicle. At slow speeds or when
traveling down a gentle slope, the engine is stopped and the electric motor
(traction motor) is used.
◆During normal driving
The gasoline engine is predominantly used. The electric motor (traction
motor) charges the hybrid battery (traction battery) as necessary.
◆When accelerating sharply
When the accelerator pedal is depressed heavily, the power of the hybrid bat-
tery (traction battery) is added to that of the gasoline engine via the electric
motor (traction motor).
◆When braking (regenerative braking)
The electric motor (traction motor) charges the hybrid battery (traction bat-
tery).

811-2. Hybrid system
1
For safety and security
IS300h_EE(OM53D56E)
■Regenerative braking
In the following situations, kinetic energy is converted to electric energy and decelera-
tion force can be obtained in conjunction with the recharging of the hybrid battery (trac-
tion battery).
●The accelerator pedal is released while driving with the shift lever in D or S.
●The brake pedal is depressed while driving with the shift lever in D or S.
■EV indicator
■Conditions in which the gasoline engine may not stop
The gasoline engine starts an d stops automatically. However, it may not stop automati-
cally in the following conditions:
●During gasoline engine warm-up
●During hybrid battery (traction battery) charging
●When the temperature of the hybrid battery (traction battery) is high or low
●When the heater is switched on
■Charging the hybrid battery (traction battery)
●As the gasoline engine charges the hybrid battery (traction battery), the battery does
not need to be charged from an outside source. However, if the vehicle is left parked for
a long time the hybrid battery will slowly discharge. For this reason, be sure to drive the
vehicle at least once every few months for at least 30 minutes or 16 km (10 miles). If the
hybrid battery becomes fully discharged and you are unable to jump-start the vehicle
with a 12-volt battery, contact any authorized Lexus dealer or repairer, or another duly
qualified and equipped professional.
●If the shift lever is in N, the hybrid battery (traction battery) will not be charged. Always
shift the shift lever to P when the vehicle is stopped. When driving in heavy traffic, oper-
ate the vehicle with the shift lever in D or S to avoid discharging the battery.
■Charging the 12-volt battery
→ P. 5 6 8
The EV indicator comes on when the vehicle is
driven using only the electric motor (traction
motor) or the gasoline engine is stopped.

821-2. Hybrid system
IS300h_EE(OM53D56E)
■After the 12-volt battery has discharged or has been changed or removed
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 dealer or
repairer, or another duly qualified and equipped professional.
■Sounds and vibrations specific to a hybrid vehicle
There may be no engine sound or vibration even though the vehicle is able to move. For
safety, 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.
●Sounds from the hybrid system may be heard when the trunk lid is open.
●Sounds may be heard from the hybrid transmission when the hybrid system starts or
stops.
●Engine sounds may be heard when accelerating sharply.
●Sounds may be heard due to regenerative braking when the brake pedal is depressed.
●Vibration may be felt when the gasoline 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, recycling, and disposal
Contact any authorized Lexus dealer or repa irer, or another duly qualified and equipped
professional regarding maintenance, repair, re cycling 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. 5 9 1 )

841-2. Hybrid system
IS300h_EE(OM53D56E)
There is an air intake vent on the right
side of the rear seatback for the pur-
pose of cooling the hybrid battery
(traction battery). If the vent becomes
blocked, the hybrid battery may over-
heat, leading to a reduction in hybrid
battery output.
When a certain level of impact is detected by the impact sensor, the emergency
shut off system blocks the high voltage current and stops the fuel pump to mini-
mize the risk of electrocution and fuel leakage. If the emergency shut off system
activates, your vehicle will not restart. To restart the hybrid system, contact any
authorized Lexus dealer or repairer, or another duly qualified and equipped pro-
fessional.
A message is automatically displayed when a malfunction occurs in the hybrid
system or an improper operation is attempted.
If a warning message is shown on the
multi-information display, read the
message and follow the instructions.
(→P. 5 2 7 )
Hybrid battery (traction battery) air vent
Emergency shut off system
Hybrid warning message

90
IS300h_EE(OM53D56E)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-free 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 transponder chip) of another vehicle
Immobilizer system
The vehicle’s keys have built-in transp onder 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 vehicle 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.

971-3. Theft deterrent system
1
For safety and security
IS300h_EE(OM53D56E)
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