Page 363 of 448

3637-2. Steps to take in an emergency
7
When trouble arises
One of the following may be the cause 
of the problem:
The electronic key may not be func-
tioning properly. ( P.368)
 There may not be sufficient fuel in 
the vehicle’s tank.
Refuel the vehicle. ( P.191)
 The engine may be flooded.
Try to restart the engine again fol-
lowing correct starting procedures. 
( P.152)
 There may be a malfunction in the 
engine immobilizer system. 
( P.70)
 There may be a malfunction in the 
shift control system.
* ( P.155)
 There may be a malfunction in the 
steering lock system.
*: It may not be possible to shift the shift 
position from P.
One of the following may be the cause 
of the problem:
 The 12-volt battery may be dis-
charged. ( P.369)
 The 12-volt battery terminal con-
nections may be lo ose or corroded. 
( P.313)
The engine starting system may be 
malfunctioning due to an electrical 
problem such as electronic key battery 
depletion or a blown fuse. However, an 
interim measure is available to start the 
engine.
One of the following may be the cause 
of the problem:
 One or both of the 12-volt battery 
terminals may be disconnected. 
( P.313)
 The 12-volt battery may be dis-
charged. ( P.369)
 There may be a malfunction in the 
steering lock system.
If the engine will not start 
(LC500)
If the engine will not start even 
though correct starting procedures 
are being followed ( P.152), con-
sider each of the following points:
The engine will not start even 
though the starter motor oper-
ates normally.
The starter motor turns over 
slowly, the interior lights and 
headlights are dim, or the horn 
does not sound or sounds at a low 
volume.
The starter motor does not turn 
over
The starter motor does not turn 
over, the interior lights and head-
lights do not turn on, or the horn 
does not sound. 
     
        
        Page 365 of 448

3657-2. Steps to take in an emergency
7
When trouble arises
One of the following may be the cause 
of the problem:
The 12-volt battery may be dis-
charged. ( P.369)
 The 12-volt battery terminal con-
nections may be loose or corroded. 
( P.313)
One of the following may be the cause 
of the problem:
 The 12-volt battery may be dis-
charged. ( P.369)
 One or both of the 12-volt battery 
terminals may be disconnected. 
( P.313)
Contact your Lexus dealer if the problem 
cannot be repaired, or if repair procedures 
are unknown.
When the hybrid system does not start, 
the following steps can be used as an 
interim measure to start the hybrid sys-
tem if the power switch is functioning 
normally.
Do not use this starting procedure 
except in cases of emergency. 1
Press the parking brake switch to 
check that the parking brake is set. 
(P.176)
Parking brake indicator will come on.
2 Turn the power switch to ACCES-
SORY mode.
3 Press and hold the power switch for 
about 15 seconds while depressing 
the brake pedal firmly.
Even if the hybrid system can be 
started using the above steps, the sys-
tem may be malfunctioning. Have the 
vehicle inspected by your Lexus dealer.
The interior lights and head-
lights are dim, or the horn does 
not sound or sounds at a low vol-
ume.
The interior lights and head-
lights do not turn on, or the horn 
does not sound.
Starting the hybrid system in an 
emergency 
     
        
        Page 373 of 448

3737-2. Steps to take in an emergency
7
When trouble arises
LC500hExclusive jump starting terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point  away from the exclusive jump starting 
terminal and any mo ving parts as shown in the illustration
6 Start the engine of the second vehi-
cle. Increase the engine speed 
slightly and maintain at that level for 
approximately 5 minutes to 
recharge the 12-volt battery of your 
vehicle.
7 Open and close any of the door of 
your vehicle with the engine switch 
 off.
8 Maintain the engine speed of the 
second vehicle and start the engine 
 of your vehicle by 
turning the engine switch 
switch> to IGNITION ON mode 
.
9 Once the vehicle’s engine 
system> has started, remove the 
jumper cables in the exact reverse  order from which they were con-
nected.
10 Close the exclusive jump starting 
terminal cover, and reinstall the fuse 
box cover to its original position.
Once the engine  
starts, have the vehicle inspected at 
your Lexus dealer as soon as possible.
■Starting the engine  
when the 12-volt battery is discharged
The engine  cannot be 
started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio sys-
tem while the engine  is 
stopped.
●Turn off any unnecessary electrical com-
ponents when the vehicle is running at a 
low speed for an extended period, such 
as in heavy traffic.
A
B
C
D 
     
        
        Page 391 of 448
3918-1. Specifications
8
Vehicle specifications
■Spark plug
■12-volt battery
LC500
LC500h
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
Ignition system
LC500LC500h
MakeDENSO FK20HBR-J8DENSO FK20HBR8
Gap0.031 in. (0.8 mm)0.031 in. (0.8 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs.  Do not adjust the spark plug gap.
Electrical system
Open voltage at 68°F (20°C):12.3 V or higher
(Turn the engine switch off and turn on the headlights 
for 20 to 30 seconds.)
Charging rates
Quick charge
Slow charge
15 A max.
5 A max.
Open voltage at 68°F (20°C):12.0 V or higher
(Turn the power switch off and turn on the high beam 
headlights for 30 seconds.)
Charging rates
Quick charge
Slow charge
15 A max.
5 A max.
Automatic transmission (LC500)
Fluid capacity*9.3 qt. (8.8 L, 7.7 Imp.qt.)
Fluid typeToyota Genuine ATF WS 
     
        
        Page 394 of 448
3948-1. Specifications
21-inch tires
Tire sizeFront tires: 245/40RF21 96Y
Rear tires: 275/35RF21 99Y
Tire inflation pressure 
(Recommended cold tire inflation pressure)
Driving under normal conditions:
Front: 33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Rear: 33 psi (230 kPa, 2.3 kgf/cm
2 or bar)
Driving at high speeds (above 137 mph 
[220 km/h]) (in countries where such 
speeds are permitted by law):
Add 10 psi (70 kPa, 0.7 kgf/cm
2 or bar) to 
the front tires and rear tires. Never exceed 
the maximum cold tire inflation pressure 
indicated on the tire sidewall.
Wheel sizeFront wheels: 21   8 1/2J
Rear wheels: 21   9 1/2J
Wheel nut torque103.3 ft•lbf (140 N•m, 14.3 kgf•m)
Light bulbs
Light bulbsBulb No.WType
Vanity lights2Double end 
bulbs 
     
        
        Page 410 of 448

4108-2. Customization
■Smart access system with push-button start and wireless remote control 
( P.108, 117)
■Smart access system with push-button start ( P.117)
Automatic door unlockShifting the shift 
position to POff
OODriver’s door is  opened
Locking/unlocking of the trunk 
when both side doors are 
locked/unlocked
OnOffO
Time elapsed before the door lock 
indicator lights turn off30 seconds
1 minute
O10 minutes
20 minutes
FunctionDefault settingCustomized setting
Operating signal (Buzzers)5OffOO1 to 7
Operation signal (Emergency 
flashers)OnOffOO
Time elapsed before automatic 
door lock function is activated if 
door is not open ed after being 
unlocked
60 seconds
Off
OO30 seconds
120 seconds
Open door warning buzzerOnOffO
FunctionDefault settingCustomized setting
Smart access system with push-
button startOnOffO
Smart door unlockingDriver’s doorBoth side doorsOO
Number of consecutive door lock 
operations2 timesAs many as desiredO
FunctionDefault settingCustomized settingABC
ABC
ABC 
     
        
        Page 412 of 448
4128-2. Customization
■Power windows (P.138)
■Turn signal lever ( P.175)
■Automatic light control system ( P.181)
■Lights ( P.181)
*: U.S.A. only
FunctionDefault settingCustomized setting
Mechanical key linked operationOffOnO
Wireless remote control linked 
operationOffOn
(Open only)O
Wireless remote control linked 
operation signal (buzzer)OnOffO
FunctionDefault settingCustomized setting
The number of times the turn signal 
lights flash automatically when the 
turn signal lever is moved to the 
first position during a lane change
3
5
O7
Off
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2OO
Time elapsed before headlights 
automatically turn off after doors 
are closed
30 seconds
Off
OO60 seconds
90 seconds
Windshield wiper linked headlight 
illuminationOnOffO
FunctionDefault settingCustomized setting
Daytime running lights*OnOffOO
Welcome light illumi nation controlOnOffO
ABC
ABC
ABC
ABC 
     
        
        Page 413 of 448

4138-2. Customization
8
Vehicle specifications
■Automatic air conditioning system (P.260)
■Seat heater/seat ventilators ( P.268)
■Heated steering wheel* ( P.268)
*:If equipped
■Illumination ( P.271)
FunctionDefault settingCustomized setting
A/C auto switch operationOnOffOO
Exhaust gas sensor sensitivityStandard-3 to 3OO
FunctionDefault settingCustomized setting
Driver’s seat temperature prefer-
ence in automatic modeStandard-2 (cooler) to 2 
(warmer)OO
Passenger’s seat temperature pref-
erence in automatic modeStandard-2 (cooler) to 2 (warmer)OO
FunctionDefault settingCustomized setting
Steering wheel heating preference 
in automatic modeStandard-2 (low) to 2 (high)OO
FunctionDefault settingCustomized setting
Time elapsed before the interior 
lights turn off15 seconds
Off
OO7.5 seconds
30 seconds
Operation after the engine switch 
 is turned offOnOffO
Operation when the doors are 
unlockedOnOffO
Operation when you approach the 
vehicle with the electronic key on 
your person
OnOffO
Footwell lightingOnOffO
Door trim ornament lightsOnOffO
ABC
ABC
ABC
ABC