2018 Lexus LC500 ECU

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Pictorial indexSearch by illustration
For safety
and security
Make sure to read through them
(Main topics: Child seat, theft deterrent system)
Vehicle status
information and
indicators
Reading driving-related information
(Main topics: Meters, multi-information display)
Before drivingOpening and closing the doors and windows, adjustment
before driving
(Main topics: Keys, doors, seats, power windows)
DrivingOperations and advice which are necessary for driving
(Main topics: Starting engine , refueling)
Interior featuresUsage of the interior features
(Main topics: Air conditioner, storage features)
Maintenance
and care
Caring for your vehicle and maintenance procedures
(Main topics: Interior and exterior, light bulbs)
When trouble
arises
What to do in case of malfunction and emergency
(Main topics: Battery discharge, flat tire)
Vehicle
specifications
Vehicle specifications, customizable features
(Main topics: Fuel, oil, tire inflation pressure)
IndexSearch by symptom
Search alphabetically

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TABLE OF CONTENTS
For your information ......................................6
Reading this manual ....................................... 8
How to search .................................................. 9
Pictorial index ................................................ 10
1-1. For safe use
Before driving ................................... 28
For safe driving.................................. 29
Seat belts ............................................ 30
SRS airbags ....................................... 35
Pop Up Hood .................................... 43
Exhaust gas precautions ............... 45
1-2. Child safety
Airbag manual on-off system ...... 46
Riding with children......................... 47
Child restraint systems ................. 48
1-3. Hybrid system
Hybrid system features (LC500h)
............................................................... 62
Hybrid system precautions
(LC500h) ....................................... 65
1-4. Theft deterrent system
Engine immobilizer system bilizer system> ............................... 70
Double locking system .................. 75
Alarm .................................................... 76
2-1. Instrument cluster
Warning lights and indicators .... 82
Gauges and meters ....................... 88
Multi-information display.............. 92
Head-up display ............................... 99
Energy monitor/consumption
screen ............................................. 104
3-1. Key information
Keys ...................................................... 112
3-2. Opening, closing and locking the
doors and trunk
Doors ................................................... 115
Trunk .................................................... 119
Smart entry & start system ......... 122
3-3. Adjusting the seats
Front seats........................................ 138
Driving position memory ........... 140
Head restraints ............................... 143
3-4. Adjusting the steering wheel and
mirrors
Steering wheel ................................ 145
Inside rear view mirror ................ 146
Outside rear view mirrors.......... 147
3-5. Opening, closing the windows
Power windows ............................. 150
4-1. Before driving
Driving the vehicle......................... 154
Cargo and luggage........................ 161
Trailer towing................................... 162
4-2. Driving procedures
Engine (ignition) switch (LC500)
............................................................ 163
1For safety and security
2Vehicle status information and
indicators
3Before driving
4Driving

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For safety and security
For safety and security
1-1. For safe use
Before driving ................................ 28
For safe driving............................... 29
Seat belts ......................................... 30
SRS airbags .................................... 35
Pop Up Hood ................................. 43
Exhaust gas precautions ............ 45
1-2. Child safety
Airbag manual on-off system ... 46
Riding with children ..................... 47
Child restraint systems .............. 48
1-3. Hybrid system
Hybrid system features
(LC500h) ..................................... 62
Hybrid system precautions
(LC500h) .................................... 65
1-4. Theft deterrent system
Engine immobilizer system
.............. 70
Double locking system ............... 75
Alarm ................................................. 76

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1-1. For safe use
1-1.For safe use
Use only floor mats designed specifi-
cally for vehicles of the same model
and model year as your vehicle. Fix
them securely in place onto the carpet.
1 Insert the retaining hooks (clips)
into the floor mat eyelets.
2 Turn the upper knob of each retain-
ing hook (clip) to secure the floor
mats in place.
Always align the marks .
The shape of the reta ining hooks (clips)
may differ from that shown in the illustra- tion.
Before driving
Observe the following before start-
ing off in the vehicle to ensure
safety of driving.
Installing floor mats
A
WARNING
Observe the following precautions. Failure to do so may cause the driver’s floor mat to slip, possibly interfering with
the pedals while driving. An unexpect- edly high speed may result or it may become difficult to stop the vehicle. This
could lead to an accident, resulting in death or serious injury.
■When installing the driver’s floor mat
●Do not use floor mats designed for other models or different model year vehicles, even if they are Lexus
Genuine floor mats.
●Only use floor mats designed for the driver’s seat.
●Always install the floor mat securely using the retaining hooks (clips) pro-
vided.
●Do not use two or more floor mats on top of each other.
●Do not place the floor mat bottom-side up or upside-down.
■Before driving
●Check that the floor mat is securely fixed in the correct place with all the
provided retaining hooks (clips). Be especially careful to perform this check after cleaning the floor.
●With the engine stopped and the shift position in P, fully
depress each pedal to the floor to make sure it does not interfere with the floor mat.

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1-1. For safe use
For safety and security
Adjust the angle of the seatback so
that you are sitting straight up and
so that you do not have to lean for-
ward to steer. ( P.138)
Adjust the seat so that you can
depress the pedals fully and so that
your arms bend slightly at the
elbow when gripping the steering
wheel. ( P.138)
Lock the head restraint in place
with the center of the head restraint
closest to the top of your ears.
( P.143)
Wear the seat belt correctly.
( P.29)
Make sure that all occupants are wear-
ing their seat belts before driving the
vehicle. ( P.31)
Use a child restraint system appropri-
ate for the child until the child becomes
large enough to properly wear the
vehicle’s seat belt. ( P.48)
For safe driving
For safe driving, adjust the seat and
mirror to an appropriate position
before driving.
Correct driving posture
WARNING
Observe the following precautions.
Failure to do so may result in death or serious injury.
A
B
C
D
●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 pos- ture from being achieved, and reduce the effectiveness of the seat belt and
head restraint.
●Do not place anything under the front seats.Objects placed under the front seats
may become jammed in the seat tracks and stop the seat from locking in place. This may lead to an accident
and the adjustment mechanism may also be damaged.
●Always observe the legal speed limit when driving on public roads.
●When driving over long distances, take
regular breaks before you start to feel tired. Also, if you feel tired or sleepy while
driving, do not force yourself to con- tinue driving and take a break immedi-
ately.
Correct use of the seat belts

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1-1. For safe use
For safety and security
Extend the shoulder belt so that it
comes fully over the shoulder, but
does not come into contact with the
neck or slide off the shoulder.
 Position the lap belt as low as possi-
ble over the hips.
 Adjust the position of the seatback.
Sit up straight and well back in the
seat.
WARNING
■Pregnant women
Obtain medical advice and wear the seat
belt in the proper way. ( P.31)
Women who are pregnant should posi-
tion the lap belt as low as possible over the hips in the same manner as other occupants, extending the shoulder belt
completely over the shoulder and avoid- ing belt contact with the rounding of the abdominal area.
If the seat belt is not worn properly, not only the pregnant woman, but also the
fetus could suffer death or serious injury as a result of sudden braking or a colli-sion.
■People suffering illness
Obtain medical advice and wear the seat
belt in the proper way. ( P.31)
■When children are in the vehicle
 P.47
■Seat belt damage and wear
●Do not damage the seat belts by allow- ing the belt, plate, or buckle to be
jammed in the door.
●Inspect the seat belt system periodi- cally. Check for cuts, fraying, and loose
parts. Do not use a damaged seat belt until it is replaced. Damaged seat belts cannot protect an occupant from
death or serious injury.
●Ensure that the belt and plate are locked and the belt is not twisted.If the seat belt does not function cor-
rectly, immediately contact any autho- rized Lexus retailer or Lexus authorized repairer, or any reliable
repairer.
●Replace the seat assembly, including the belts, if your vehicle has been involved in a serious accident, even if
there is no obvious damage.
●Do not attempt to install, remove, modify, disassemble or dispose of the seat belts. Have an y necessary repairs
carried out by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer. Inappropriate
handling may lead to incorrect opera- tion.
Correct use of the seat belts

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1-1. For safe use
For safety and security
Vehicles with manual type head
restraint
Vehicles with power type head
restraint
Except for Russia and Kazakhstan
The pretensioners help the seat belts to
quickly restrain the occupants by
retracting the seat belts when the vehi-
cle is subjected to certain types of
severe frontal or side collision.
The pretensioners do not activate in the
event of a minor frontal impact, a minor
side impact, a rear impact or a vehicle roll-
over.
For Russia and Kazakhstan
The pretensioners help the seat belts to
quickly restrain the occupants by
retracting the seat belts when the vehi-
cle is subjected to certain types of
severe frontal or side collision or a
vehicle rollover.
The pretensioners do not activate in the
event of a minor frontal impact, a minor
side impact or a rear impact.
■Replacing the belt after the preten-
sioner has been activated
If the vehicle is involved in multiple colli-
sions, the pretensioner will activate for the first collision, but will not activate for the second or subsequent collisions.
WARNING
■When using the seat belt guide
Observe the following precautions to reduce the risk of injury in the event of
sudden braking, sudden swerving or an accident.Failure to do so may cause death or seri-
ous injury.
●Always make sure that the belt is not twisted, and runs freely through the guide.
●Regardless of whether the guide is
used or not, always secure the seat belt guide button.
●Do not hang from or pull the guide forcefully.
Seat belt pretensioners

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1-1. For safe use
For safety and security
■Location of the SRS airbags
SRS front airbags
SRS driver airbag/front passenger airbag
Can help protect the head and chest of the driver and front passenger from
impact with interior components
SRS knee airbags
Can help provide driver and front passenger protection
SRS side and curtain shield airbags
SRS side airbags
Can help protect the torso of the front seat occupants
SRS curtain shield airbags
Can help protect primarily the head of occupants
SRS airbags
The SRS airbags inflate when the vehicle is subjected to certain types of severe
impacts that may cause significant injury to the occupants. They work together
with the seat belts to help reduce the risk of death or serious injury.
SRS airbag system
A
B
C
D