2020 LEXUS LS500 charging

3866-3. Do-it-yourself maintenance
Make sure that the battery terminals
are not corroded and that there are no
loose connections, cracks, or loose
clamps.Terminals
Hold-down clamp
Check the battery condition by indica-
tor color.
Blue: Good condition
Red: Charging is necessary.
Have the vehicle inspected by your
Lexus dealer.
Clear: Replacement is necessary.
Have the battery checked by your
Lexus dealer.
WARNING
●If electrolyte gets on your skin
Wash the affected area thoroughly. If
you feel pain or burning, get medical
attention immediately.
●If electrolyte gets on your clothes
It can soak through clothing on to your
skin. Immediately take off the clothing
and follow the procedure above if nec-
essary.
●If you accidentally swallow electrolyte
Drink a large quantity of water or milk.
Get emergency medical attention
immediately.
■When replacing the battery
Use a battery designed for this vehicle.
Failure to do so may cause gas (hydro-
gen) to enter the passenger compart-
ment, causing a fire or explosion.
For replacement of the battery, contact
your Lexus dealer.
NOTICE
■When recharging the battery
Never recharge the battery while the
engine is running. Also, be sure all acces-
sories are turned off.
Exterior
Checking the battery condition
A
B
A
B
C

4207-2. Steps to take in an emergency
■Charging system warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
■Low engine oil pressure warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
■Malfunction indicator lamp (warning buzzer)
■SRS warning light (warning buzzer)
Warning lightDetails/Actions
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
 Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning lightDetails/Actions
(U.S.A.)
or
(Canada)
Indicates a malfunction in:
 The electronic engine control system;
 The electronic throttle control system; or
 The electronic automatic transmission control system
 Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning lightDetails/Actions
Indicates a malfunction in:
 The SRS airbag system;
 The front passenger occupant classification system; or
 The seat belt pretensioner system
 Have the vehicle inspected by your Lexus dealer immediately.

4337-2. Steps to take in an emergency
7
When trouble arises
immediately.
• “Access System with Elec. Key Malfunc- tion”
• “Shift System Malfunction”
• “P Switch Malfunction”
• “Shift System Unavailable”
●If any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
Take your vehicle to the nearest Lexus
dealer or authorized tire dealer as
soon as possible if any tire goes flat.
The vehicle can be driven for a maximum
of 100 miles (160 km) at a speed below 50
mph (80 km/h) after the tire pressure
warning light comes on. ( P.423)
A run-flat tire has a mark on the
side wall.
■In some conditions (such as at high tem-
peratures)
You cannot continue driving for up to 160
miles (100 km).
■For the detailed information on run-flat
tires
See the tire warranty booklet.
NOTICE
■If “High Power Consumption Partial
Limit On AC/Heater Operation” is
displayed frequently
There is a possible malfunction relating
to the charging system or the battery
may be deteriorating. Have the vehicle
inspected by your Lexus dealer.
If you have a flat tire
Your vehicle is not equipped with a
spare tire, but instead you can con-
tinue driving the vehicle with
run-flat tires even if any tire goes
flat.
In this case, slow down and drive
with extra caution.
Run-flat tires

4427-2. Steps to take in an emergency
as in heavy traffic.
■When the battery is removed or dis-
charged
●Information stored in the ECU is cleared.
When the battery is depleted, have the
vehicle inspected at your Lexus dealer.
●Some systems may require initialization.
( P.484)
■When removing the battery terminals
When the battery terminals are removed,
the information stored in the ECU is
cleared. Before removi ng the battery termi-
nals, contact your Lexus dealer.
■Charging the battery
The electricity stored in the battery will dis-
charge gradually even when the vehicle is
not in use, due to natural discharge and the
draining effects of certain electrical appli-
ances. If the vehicle is left for a long time,
the battery may discharge, and the engine
may be unable to start. (The battery
recharges automatically during driving.)
■When recharging or replacing the bat-
tery
●In some cases, it may not be possible to
unlock the doors using the smart access
system with push-button start when the
battery is discharged. Use the wireless
remote control or the mechanical key to
lock or unlock the doors.
●The engine may not start on the first
attempt after the battery has recharged
but will start normally after the second
attempt. This is not a malfunction.
●The engine switch mode is memorized by
the vehicle. When the battery is recon-
nected, the system will return to the
mode it was in before the battery was dis-
charged. Before di sconnecting the bat-
tery, turn the engine switch off.
If you are unsure what mode the engine
switch was in befo re the battery dis-
charged, be especially careful when
reconnecting the battery.
■When replacing the battery
●Use a Central Degassing type battery
(European Regulations).
●Use a battery with the same case size as the previous battery and an equivalent
20 hour rate capacity (20HR) or greater.
• If the sizes differ, the battery cannot be
properly secured.
• If the 20 hour rate capacity is low, even if the time period where the vehicle is not
used is a short time, the battery may dis-
charge and the engine may not be able to
start.
●Use a battery with a handle. If a battery
without a handle is used, removal is more
difficult.
●After replacing, firm ly attach the follow-
ing items to the exhaust hole of the bat-
tery.
• Use the exhaust hose that was attached
to the battery before replacing and con-
firm that it is firmly connected to the hole
section of the vehicle.
• Use the exhaust hole plug included with the battery replaced or the one installed
on the battery prior to the replacement.
(Depending on the battery to be
replaced, the exhaust hole may be
plugged.)
Exhaust hole plug
Exhaust hole
Exhaust hose
For details, consult your Lexus dealer.
A
B
C

4437-2. Steps to take in an emergency
7
When trouble arises
WARNING
■When removing the battery terminals
Always remove the negative (-) terminal
first. If the positive (+) terminal contacts
any metal in the surrounding area when
the positive (+) terminal is removed, a
spark may occur, leadin g to a fire in addi-
tion to electrical shocks and death or
serious injury.
■Avoiding battery fires or explosions
Observe the following precautions to
prevent accidentally igniting the flamma-
ble gas that may be emitted from the bat-
tery:
●Make sure each jumper cable is con-
nected to the correct terminal and that
it is not unintentiona lly in contact with
any other than the intended terminal.
●Do not allow the other end of the
jumper cable connected to the “+” ter-
minal to come into contact with any
other parts or metal surfaces in the
area, such as brackets or unpainted
metal.
●Do not allow the + and - clamps of the
jumper cables to come into contact
with each other.
●Do not smoke, use matches, cigarette
lighters or allow open flame near the
battery.
■Battery precautions
The battery contains poisonous and cor-
rosive acidic electrolyte, while related
parts contain lead and lead compounds.
Observe the following precautions when
handling the battery:
●When working with the battery, always
wear safety glasses and take care not
to allow any battery fluids (acid) to
come into contact with skin, clothing
or the vehicle body.
●Do not lean over the battery.
●In the event that battery fluid comes
into contact with the skin or eyes,
immediately wash the affected area
with water and seek medical attention.
Place a wet sponge or cloth over the
affected area until medical attention
can be received.
●Always wash your hands after handling
the battery support, terminals, and
other battery-related parts.
●Do not allow children near the battery.
■After recharging the battery
Have the battery inspected at your Lexus
dealer as soon as possible.
If the battery is deteriorating, continued
use may cause the battery to emit a mal-
odorous gas, which may be detrimental
to the health of passengers.
■When replacing the battery
●When the vent plug and indicator are
close to the hold down clamp, the bat-
tery fluid (sulfuric acid) may leak.
●For information regarding battery
replacement, contact your Lexus
dealer.
●After replacing, se curely attach the
exhaust hose and exhaust hole plug to
the exhaust hole of the replaced bat-
tery. If not properly installed, gases
(hydrogen) may leak into the vehicle
interior, and there is the possible dan-
ger of the gas igniting and exploding.
NOTICE
■When handling jumper cables
When connecting the jumper cables,
ensure that they do not become entan-
gled in the cooling fan or engine drive
belt.
■To prevent damaging the vehicle
The exclusive jump starting terminal is to
be used when chargi ng the battery from
another vehicle in an emergency. It can-
not be used to jump start another vehicle.

4548-1. Specifications
*: The fluid capacity is a reference quantity.If replacement is necessary, contact your Lexus dealer.
*: Your Lexus vehicle is filled with Toyota genuine gear oil at the factory. Use Lexus approved Toyota genuine gear oil or an equi valent of matching quality to satisfy the
above specification. Please contact your Lexus dealer for further details.
*: Your Lexus vehicle is filled with “Toyota Genu ine Differential Gear Oil” at the factory.
Use Lexus approved “Toyota Ge nuine Differential Gear Oil” or an equivalent oil of
Electrical system (battery)
Open voltage at 68°F (20°C):
12.3 V or higher
(Turn the engine switch off and turn on the head-
lights for 20 to 30 seconds.)
Charging rates
Quick charge
Slow charge
15 A max.
5 A max.
Automatic transmission
Fluid capacity*9.5 qt. (9.0 L, 7.9 Imp. qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Automatic transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may ca use deterioration in
shift quality, locking up of your transmission accompanied by vibration, and ultimately
damage the transmission of your vehicle.
Transfer (AWD models)
Oil capacity0.74 qt. (0.70 L, 0.62 Imp. qt.)
Oil type and viscosity*Toyota Genuine Transfer gear oil LL 80 or equivalent
Front differential (AWD models)
Oil capacity0.69 qt. (0.65 L, 0.57 Imp. qt.)
Oil type and viscosity*Toyota Genuine Differential gear oil LT 75W-85
GL-5 or equivalent

510Alphabetical Index
Checking ....................................................... 387
If you have a flat tire .................................. 433
Inflation pressure........................................399
Information ......................................................461
Replacing .......................................................395
Rotating tires ............................................... 388
Run-flat tires .................................... 389, 433
Size....................................................................456
Snow tires ......................................................303
Tire inflation pressure display function
.........................................................................389
Tire pressure warning system .............389
Warning light ............................................... 423
Top tether strap............................................... 55
Total load capacity ....... ............................... 450
Towing Dinghy towing ...............................................164
Emergency towing ..................................... 413
Towing eyelet ................................................416
Trailer towing .................................................163
TRAC (Traction Control) ........................ 298
Traction Control (TRAC) ........................ 298
Trailer towing ..................................................163
Transmission Automatic transmission ............................169
Driving mode select switch .................. 292
M mode ............................................................ 174
Paddle shift switches ........................ 173, 174
Snow mode .................................................... 172
Trip meters .................................................74, 79
Trunk .................................................................. 104 Hands Free Power Trunk Lid ...............107
Internal trunk release lever .................... 109
Power trunk opener and closer .......... 106
Smart access system with push-button start ..................................................................107
Trunk closer switch.................................... 108
Trunk easy closer........................................ 108
Trunk features.............................................. 343
Trunk grip ....................................................... 108
Trunk lid light................................................. 108
Trunk light....................................................... 108 Trunk opener main switch........................ 110
Trunk opener switch ................................. 106
Wireless remote control ......................... 107
Trunk lid light .................................................. 108
Trunk light ........................................................ 108
Turn signal lights Replacing light bulbs ............................... 408
Turn signal lever ...........................................175
U
USB charging ports.................................... 346
V
Vanity lights....................................................350
Vanity mirrors ...............................................350
Variable Gear Ratio Steering (VGRS)298
VDIM (Vehicle Dynamics Integrated Man-agement)...................................................... 298
Vehicle data recording ....................................7
Vehicle Dynamics Integrated Manage- ment (VDIM).............................................. 298
Vehicle identification number ................ 450
Vehicle Stability Control (VSC) ........... 297
Ventilators (seat ventilators)................... 330
VGRS (Variable Gear Ratio Steering)298
VSC (Vehicle Stability Control) ........... 297
W
Warning buzzers ABS .....................................................................421
Airbags............................................................420
Approach warning.................................... 247
Brake hold ..................................................... 426
Brake Override System ...........................421
Brake system................................................. 419
Charging system........................................420
Downshifting ..................................................174
Drive-Start Control.....................................421
Electric power steering........................... 422
Engine..............................................................420

511Alphabetical Index
Hands off steering wheel warning (LTA)......................................................................... 237
High coolant temperature ......................419
Intuitive parking assist.................. 265, 423
Low engine oil pressure......................... 420
LTA (Lane Tracing Assist)226, 229, 423
Open door............................................ 101, 103
Open window ............................................... 144
PKSA (Parking Support Alert) ...........258
PKSB (Parking Support Brake) ......... 424
Pop Up Hood ............................................... 421
Pre-collision braking......................205, 217
RCD (Rear Camera Detection) ........ 424
RCTA (Rear Cross Traffic Alert) ...... 424
Seat belt .......................................................... 422
Warning lights.................................................419 ABS .................................................................... 421
Brake hold operated indicator ........... 426
Brake Override System ........................... 421
Brake system .................................................419
Charging system ....................................... 420
Drive-Start Control .................................... 421
Electric power steering .......................... 422
High coolant temperature ......................419
Intuitive parking assist OFF indicator423
Low engine oil pressure......................... 420
Low fuel level ............................................... 422
LTA indicator ............................................... 423
Malfunction indicator lamp................... 420
Master warning light ................................ 426
Parking brake indicator .......................... 425
PKSB OFF indicator ................................ 424
Pop Up Hood ............................................... 421
Pre-collision system ................................. 425
RCD OFF indicator ................................. 424
RCTA OFF indicator............................... 424
Seat belt reminder light .......................... 422
Slip indicator ................................................ 425
SRS.................................................................... 420
Tire pressure ................................................ 423
Warning messages ..................................... 429
Warning reflector storag e belt.............. 344Washer
Adding............................................................ 384
Preparing and checking before winter......................................................................... 303
Switch................................................................ 185
Washing and waxing.................................. 362
Weight Cargo capacity ............................................ 163
Load limits ...................................................... 163
Weight............................................................ 450
Wheels Replacing wheels ...................................... 395
Size ................................................................... 456
Window lock switch .....................................145
Windows Power windows ............................................143
Rear window defogger............................ 318
Washer ............................................................ 185
Windshield wiper de-icer ........................ 323
Windshield wipers Position............................................................. 188
Rain-sensing windshield wipers .......... 185
Winter driving tips....................................... 303
Wireless remote control Battery-Saving Function............................ 112
Locking/Unlocking .....................................98
Replacing the battery .............................. 403
For information regarding the equipment listed below, refer to
the “NAVIGATION AND MULTI-
MEDIA SYSTEM OWNER’S
MANUAL”.
· Navigation system
· Audio/visual system
· Rear seat entertainment system
· Lexus parking assist monitor