ES300h_OM_OM33C75U_(U)
4697-3. Do-it-yourself maintenance
7
Maintenance and care
■Tire types
●Summer tires
Summer tires are high-speed performance tires best suited to highway driving under
dry conditions. Since summer tires do not have the same traction performance as
snow tires, summer tires are inadequate for driving on snow-covered or icy roads. For
driving on snow-covered roads or icy roads, the use of snow tires is recommended.
When installing snow tires, be sure to replace all four tires.
●All season tires
All season tires are designed to provide better traction in snow and to be adequate for
driving in most winter conditions as well as for use year-round. All season tires, how-
ever, do not have adequate traction performance compared with snow tires in heavy
or loose snow. Also, all season tires fall short in acceleration and handling perfor-
mance compared with summer tires in highway driving.
●Snow tires
For driving on snow-covered roads or icy roads, we recommend using snow tires. If
you need snow tires, select tires of the same size, construction and load capacity as the
originally installed tires. Since your vehicle has radial tires as original equipment, make
sure your snow tires also have radial cons truction. Do not install studded tires without
first checking local regulations for possible restrictions. Snow tires should be installed
on all wheels. ( →P. 2 8 4 )
■If the tread on snow tires wears down below 0.16 in. (4 mm)
The effectiveness of the tires as snow tires is lost.
■Situations in which the tire pressure warning system may not operate properly
●In the following cases, the tire pressure warning system may not operate properly.
• If non-genuine Lexus wheels are used.
• A tire has been replaced with a tire that is not an OE (Original Equipment) tire.
• A tire has been replaced with a tire that is not of the specified size.
• Tire chains etc. are equipped.
• An auxiliary-supported run-flat tire is equipped.
• If a window tint that affects the radio wave signals is installed.
• If there is a lot of snow or ice on the vehicle, particularly around the wheels or wheel
housings.
• If the tire inflation pressure is extremely higher than the specified level.
●Performance may be affected in the following situations.
• Near a TV tower, electric power plant, gas station, radio station, large display, air-
port or other facility that generates st rong radio waves or electrical noise
• When carrying a portable radio, cellular phone, cordless phone or other wireless communication device
If tire position information is not correctl y displayed due to the radio wave conditions,
the display may be corrected by driving and changing the radio wave conditions.
●When the vehicle is parked, the time taken for the warning to start or go off could be
extended.
●When tire inflation pressure declines rapidly for example when a tire has burst, the
warning may not function.
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ES300h_OM_OM33C75U_(U)7-3. Do-it-yourself maintenance
Tire inflation pressure
The recommended cold tire inflation
pressure and tire size are displayed on
the tire and loading information label.
(
→ P. 5 4 7 )
Tire inflation pressure
497
ES300h_OM_OM33C75U_(U)
8When trouble arises
8-1. Essential informationEmergency flashers .................. 498
If your vehicle has to be stopped in an emergency .... 499
8-2. Steps to take in an emergency If your vehicle needs to be towed ............................... 500
If you think something is wrong ................504
If a warning light turns on or a warning buzzer sounds .... 505
If a warning message is displayed ................................... 511
If you have a flat tire.................... 515
If the hybrid system will not start ............................................... 525
If the electronic key does not operate properly ..................... 527
If the 12-volt battery is discharged ................................. 529
If your vehicle overheats ......... 533
If the vehicle becomes stuck ............................................. 537
500
ES300h_OM_OM33C75U_(U)8-2. Steps to take in an emergency
If your vehicle needs to be towed
The following may indicate a problem with your hybrid transmission. Contact
your Lexus dealer or commercial towing service before towing.
●A warning message for the hybrid system is shown on the multi-information
display and the vehicle does not move.
●The vehicle makes an abnormal sound.
Do not tow with a sling-type truck to
prevent body damage.
If towing is necessary, we recommend having your vehicle towed by your
Lexus dealer or commercial towing se rvice, using a wheel-lift type truck or
flat bed truck.
Use a safety chain system for all towing , and abide by all state/provincial and
local laws.
Situations when it is necessary to contact dealers before towing
Towing with a sling-type truck
Towing with a wheel-lift type truck
XFrom the front XFrom the rear
Release the parking brake. Use a towing dolly under the front
wheels.
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ES300h_OM_OM33C75U_(U)8-2. Steps to take in an emergency
8
When trouble arises
If a warning message is displayed
Master warning light
The master warning light also comes on
or flashes in order to indicate that a mes-
sage is currently being displayed on the
multi-information display.
Multi-information display
If any of the warning messages are shown again after the following actions have
been performed, contact your Lexus dealer.
The warning lights and warning buzzers operate as follows depending on the
content of the message. If a message indicates the need for inspection by a
dealer, have the vehicle inspected by your Lexus dealer immediately.
The multi-information display shows warnings of system malfunctions, incor-
rectly performed operations, and messages that indicate a need for mainte-
nance. When a message is shown, perform the correction procedure
appropriate to the message.
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Messages and warnings
System
warning light
Warning buzzer*Wa r n i n g
Comes on
Sounds Indicates an important situation, such
as when a system related to driving is
malfunctioning or that danger may
result if the correction procedure is not
performed
Comes on
or flashesSounds
Indicates an important situation, such
as when the systems shown on the
multi-information display may be mal-
functioning
FlashesSounds
Indicates a situation, such as when
damage to the vehicle or danger may
result
5128-2. Steps to take in an emergency
ES300h_OM_OM33C75U_(U)
*: A buzzer sounds the first time a message is shown on the multi-information display.
■If “Hybrid System Overheated Reduced Output Power” is shown
This message may be displayed when driving under severe operating conditions.
(For example, when driving up a long steep hill.)
Handling method: →P. 5 3 3
■If “Maintenance Required for Hybrid Battery Cooling Parts at Your Dealer” is shown
The filter may be clogged, the air intake vent may be blocked or there may be a gap in
duct. Have maintenance performed on the hybrid battery (traction battery) cooling
component at your Lexus dealer.
■If “Hybrid Battery Low Shift Out of N to Recharge” is shown
Message is displayed when the remaining charge for the hybrid battery (traction battery)
is low.
As the hybrid battery (traction battery) can no t be charged when the shift lever is in N,
when stopped for long periods of time shift the shift lever to P.
■If “Hybrid Battery Low Hybrid System St opped Shift to P and Restart” is shown
Message is displayed when the remaining charge for the hybrid battery (traction battery)
is low, because vehicle has been shifted N for a long period of time.
When operating the vehicle, restart the hybrid system.
■If “Shift to P Before Exiting Vehicle” is shown
Message is displayed when the driver’s door is opened without turning the power switch
to OFF with the shift lever in any position other than P.
Shift the shift lever to P.
■If “Shift Is in N Release Accele rator Before Shifting” is shown
Message is displayed when the accelerator pedal has been depressed and the shift lever
is in N. Release the accelerator pedal and shift the shift lever to D or R.
■If “Maintenance Required Soon” is shown (U.S.A. only)
Indicates that all maintenance according to the driven distance on the maintenance
schedule
* should be performed soon.
Comes on approximately 4500 miles (7200 km) after the message has been reset.
If necessary, perform maintenance.
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supplement” for
the maintenance interval applicable to your vehicle.
Comes onDoes not sound
Indicates a condition, such as malfunc-
tion of electrical components, their
condition, or indicates the need for
maintenance
FlashesDoes not sound
Indicates a situation, such as when an
operation has been performed incor-
rectly, or indicates how to perform an
operation correctly
System
warning
lightWarning buzzer*Wa r n i n g
5138-2. Steps to take in an emergency
ES300h_OM_OM33C75U_(U)
8
When trouble arises
■If “Maintenance Required Visit Your Dealer” is shown (U.S.A. only)
Indicates that all maintenance is required to correspond to the driven distance on the
maintenance schedule
*.
Comes on approximately 5000 miles (80 00 km) after the message has been reset.
(The indicator will not work properly unless the message has been reset.)
Perform the necessary maintenance. Please reset the message after the maintenance is
performed ( →P. 4 4 1 )
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supplement” for
the maintenance interval applicable to your vehicle.
■If “Oil Maintenance Required Soon” is shown
Indicates that the engine oil is scheduled to be changed. (The indicator will not work
properly unless the oil maintenance data has been reset.)
Check the engine oil, and change if necessary. After changing the engine oil, the oil
change system should be reset. ( →P. 4 5 5 )
■If “Oil Maintenance Required Your Dealer” is shown
Indicates that the engine oil should be change d. (After the engine oil is changed and the
oil maintenance data has been reset.)
Check and change the engine oil, and oil filter by your Lexus dealer. After changing the
engine oil, the oil change system should be reset. ( →P. 4 5 5 )
■If “Power Turned Off to Save Battery” is shown
Power was turned off due to the automatic power off function.
Next time when starting the hybrid system, operate the hybrid system for approximately
5 minutes to recharge the 12-volt battery.
■If “Forward Camera System Unavailable” or “Forward Camera System Unavailable
Clean Windshield” is displayed. (if equipped)
The following systems may be suspended un til the problem shown in the message is
resolved.
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert with steering control)
●Dynamic radar cruise control
●Automatic High Beam
■When a message that indicates the need for the shift lever operation is shown
To prevent the shift lever from being operated incorrectly or the vehicle from moving
unexpectedly, a message that requires shifting the shift lever may be shown on the multi-
information display. In that case, follow the instruction of the message and shift the shift
lever.
■If “Visit Your Dealer” is shown
The system or part shown on the multi-info rmation display is malfunctioning. Have the
vehicle inspected by your Lexus dealer immediately.
5288-2. Steps to take in an emergency
ES300h_OM_OM33C75U_(U)
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the power switch.
The power switch will turn to ON mode.
When the smart access system with
push-button start is deactivated in cus-
tomization setting, the power switch will
turn to ACCESSORY mode.
Firmly depress the brake pedal and check that is shown on the multi-
information display.
Press the power switch.
In the event that the hybrid system still cannot be started, contact your Lexus
dealer.
■Stopping the hybrid system
Shift the shift lever to P and press the power sw itch as you normally do when stopping the
hybrid system.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. ( →P. 4 8 1 )
■Changing power switch modes
Release the brake pedal and press the power switch in step above.
The hybrid system does not start and mode s will be changed each time the switch is
pressed. ( →P. 1 6 9 )
■When the electronic key does not work properly
●Make sure that the smart access system with push-button start has not been deacti-
vated in the customization setting. If it is off, turn the function on.
(Customizable features →P. 5 6 2 )
●Check if battery-saving mode is set. If it is set, cancel the function. (→P. 1 2 2 )
Starting the hybrid system
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WA R N I N G
■When using the mechanical key and operating the power windows or moon roof
Operate the power window or moon roof after 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 mech anical key. It is possible for children and
other passengers to get caught in the power window or moon roof.
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