battery LEXUS LX570 2018 Repair Manual

550 7-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) Start the engine of the second vehicle. Increase the engine speed slightly and
maintain at that level for approximatel y 5 minutes to recharge the battery of
your vehicle.
Open and close any of the doors with the engine switch off.
Maintain the engine speed of the second vehicle and turn the engine switch to
IGNITION ON mode, then start the vehicle’s engine.
Once the vehicle’s engine has started, remove the jumper cables in the exact
reverse order in which they were connected.
Once the engine starts, have the vehicl e checked at your Lexus dealer, as soon
as possible. ■
Starting the engine when the battery is discharged
The engine cannot be started by push-starting. ■
Avoiding a discharged battery ●
Turn off the headlights and the audio system while the engine is off. ●
Turn off any unnecessary electrical componen ts when the vehicle is running at a low
speed for an extended period, such as in heavy traffic, etc. ■
Charging the battery
The electricity stored in the battery will disc harge gradually even when the vehicle is not
in use, due to natural discharge and the draini ng effects of certain electrical appliances. 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 the battery is removed or discharged
The power back door mu st be initialized. ( → P. 126)4
5
6
7

5517-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) 7
When trouble arises WARNING ■
Avoiding battery fires or explosions
Observe the following precautions to preven t accidentally igniting the flammable gas
that may be emitted from the battery. ●
Make sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any pa rt other than the intended terminal.●
Do not allow the jumper cables to come into contact with the “+” and “-” terminals. ●
Do not allow open flame or use matches, cigarette lighters or smoke near the battery. ■
Battery precautions
The battery contains poisonous and corrosive acidic electrolyte, while related parts
contain lead and lead compounds. Observ e 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 cont act 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 afte r handling the battery support, terminals, and other bat-
tery-related parts. ●
Do not allow childre n near the battery.
NOTICE ■
When handling jumper cables
Be careful that the jumper cables do not be come tangled in the cooling fan or any of
the belts when connecting or disconnecting them.

562
LX570_OM_OM60Q78U_(U) 8-1. Specifications
Cooling system Capacity (Reference) 17.1 qt. (16.2 L, 14.3 Imp.qt.)
Coolant type Use either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and non-
borate coolant with long-life hybrid organic
acid technology
Do not use plain water alone.
Ignition system Spark plug
Make
Gap DENSO SK20HR11
0.043 in. (1.1 mm)
NOTICE ■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine.
Electrical system Battery
Open voltage at 68 ° F
(20 ° C): 12.6 ⎯ 12.8 V Fully charged
12.2 ⎯ 12.4 V Half charged
11.8 ⎯ 12.0 V Discharged
(Voltage is checked 20 minutes after the engine
and all lights are turned off.)
Charging rates 5 A max.

LX570_OM_OM60Q78U_(U) 5758-1. Specifications
8
Vehicle specifications Glossary of tire terminology Tire related term Meaning
Cold tire inflation pressure Tire pressure when the vehicle has been parked for
three hours or more, or has no t been driven more than 1
mile or 1.5 km un der that condition
Maximum inflation pres-
sure The maximum cold inflated pr essure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressure Cold tire inflation pressure recommended by a manu-
facturer
Accessory weight The combined weight (in exce ss of those standard items
which may be replaced) of automatic transmission,
power steering, power brakes, power windows, power
seats, radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight The weight of a motor vehicle with standard equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air co nditioning and additional
weight optional engine
Maximum loaded vehicle
weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight 150 lb. (68 kg) times the numb er of occupants specified
in the second column of Table 1
* that follows
Occupant distribution Distribution of occupants in a vehicle as specified in the
third column of Table 1
* below
Production options weight The combined weight of in stalled regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they re place, not previously con-
sidered in curb weight or accessory weight, including
heavy duty brakes, ride leve lers, roof rack, heavy duty
battery, and special trim
Rim A metal support for a tire or a tire and tube assembly
upon which the tire beads are seated

592
LX570_OM_OM60Q78U_(U) 8-2. Customization■
HUD (Head-up Display)
* ( → P. 100)
* : If equipped ■
Vehicle customization ●
When smart access system with push-button start is turned off, unlock door cannot be
selected. ●
When doors are not opened after unlocking and are then automatically re-locked, a
signal will be given if Operation signal (Emergency flashers) or Operation signal
(Buzzer) are set to on. ■
When setting using the multi-information display
When using the vehicle switches to set an item that can also be set using the touch
screen, the item displayed on the Remote Touch will not change immediately.
If the engine switch is first turned to off, the screen display will change once the engine
switch is turned to IGNITION ON mode again. ■
When customizing usin g the Remote Touch
Stop the vehicle in a safe place, apply the parking brake, and shift the shift lever to P. Also,
to prevent battery discharge, leave the engine running while customizing the features. Function Default
setting Customized
setting
Driving support display
(Navigation system
* ) On Off — O —
Driving support display
(Driving assist
* ) On Off — O —
Driving support display
(compass
* ) On Off — O —
Driving support display
(audio
* ) On Off — O —
WARNING ■
During customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilation. In a closed area such as a garage, exhaust
gases including harmful carbon monoxide (CO) may collect and enter the vehicle. This
may lead to death or a serious health hazard.
NOTICE ■
During customization
To prevent battery discharge, ensure that the engine is running while customizing fea-
tures. 1 2 3

593
LX570_OM_OM60Q78U_(U) 8-3. Initialization
8
Vehicle specifications
Items to initialize
* : If equippedThe following item must be initialized for normal system operation such cases
as the battery being reconnected, or maintenance being performed on the
vehicle: Item When to initialize Reference
Message indicating mainte-
nance is required (U.S.A. only) After the maintenance is per-
formed P. 465
Power back door • After reconnecting or changing
the battery with power back door
opened
• After changing a fuse with power
back door opened P. 122
Tire pressure warning system • When the set tire pressure has
been changed before towing.
• When rotating the tires in above
situation. P. 486
Multi-terrain Monitor After reconnecting or changing the
battery P. 361
Engine oil maintenance data
* After the maintenance is per-
formed P. 475

608 What to do if... (Troubleshooting)
LX570_OM_OM60Q78U_(U)What to do if... (Troubleshooting) ●
If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. ( → P. 112)●
If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( → P. 114)●
Is the electronic key battery weak or depleted? ( → P. 503)●
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( → P. 206)●
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person. ●
The function may not operate properly du e to the condition of the radio wave.
( → P. 134)
●
Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( → P. 118)If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

609What to do if... (Troubleshooting)
LX570_OM_OM60Q78U_(U) ●
Did you press the engine switch while firmly depressing the brake pedal?
( → P. 205)●
Is the shift lever in P? ( → P. 205)●
Is the electronic key anywhere detectable inside the vehicle? ( → P. 133)●
Is the steering wheel unlocked? ( → P. 208)●
Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( → P. 547)●
Is the battery discharged? ( → P. 549)●
Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( → P. 215)If you think something is wrong The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal

613Alphabetical index
LX570_OM_OM60Q78U_(U) Anti-lock brake system
(ABS).......................................................377
Function .................................................. 377
Warning light ...................................... 520
Approach warning
Dynamic radar cruise control
with full-speed range .................... 276
Armrest .................................................... 442
Assist grips .............................................. 444
Audio input
* Audio system
* Automatic air conditioning
system .......................................... 399, 410
Air conditioning filter......................... 501
Front automatic air
conditioning system ..................... 399
Rear air conditioning system......... 410
Automatic door locking and
unlocking systems ................................ 119
Automatic headlight leveling
system .................................................... 223
Automatic High Beam ....................... 224
Automatic light control system....... 222
Automatic transmission ...................... 210
2nd start mode....................................... 211
Downshift restriction warning
buzzer ................................................... 215
Driving mode select switch ..........284
If the shift lever cannot be
shifted from P .................................... 215
S mode ......................................................213
AUX port
* Auxiliary boxes ...................................... 425 Back door .................................................. 122
Back door handle................................ 124
Jam protection function.................... 126
Power back door ................................ 124
Wireless remote control................... 110
Battery ...................................................... 482
Battery checking ................................ 482
If the vehicle battery is
discharged......................................... 549
Preparing and checking
before winter .................................... 382
Warning light .......................................520
Blind Spot Monitor (BSM) ............... 363
Bluetooth ®
* Bluetooth ®
audio
* Bluetooth ®
phone
* Bottle holders .........................................424
Brake
Fluid .......................................................... 564
Parking brake ........................................218
Warning light .......................................520
Brake assist .............................................. 377
Break-in tips ............................................. 175
Brightness control
Instrument panel light control ........ 89
BSM (Blind Spot Monitor) ............... 363
Blind Spot Monitor function......... 367
Rear Cross Traffic Alert
function................................................ 373 B
* : Refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.

614 Alphabetical index
LX570_OM_OM60Q78U_(U) Care ................................................. 458, 461
Aluminum wheels ............................. 458
Exterior................................................... 458
Interior ...................................................... 461
Radar sensor ....................................... 366
Seat belts ................................................462
Cargo capacity....................................... 186
Cargo hooks ...........................................427
Cargo net hooks ....................................427
CD player
* Chains .......................................................383
Child restraint system............................ 57
Booster seat definition....................... 58
Booster seat installation.....................69
Convertible seat definition .............. 58
Convertible seat installation ............ 67
Front passenger occupant
classification system ........................ 50
Infant seat/convertible seat
definition................................................ 58
Infant seat/convertible seat
installation ..............................................65
Installing CRS with
LATCH system .................................. 63
Installing CRS with seat belt ............65
Installing CRS with top tether
strap.......................................................... 70
LATCH system...................................... 63 Child safety .................................................56
Airbag precautions................................ 41
Back door precautions..................... 127
Battery precautions ............... 483, 551
Child-protectors ................................... 118
Child restraint system......................... 57
How your child should wear
the seat belt .......................................... 34
Installing child restraints .................... 62
Moon roof precautions ...................... 171
Power window lock switch.............165
Power window precautions ........... 167
Rear door child-protectors ............. 118
Removed key battery
precautions .......................................504
Safety information................................. 56
Seat belt extender precautions ......37
Seat belt precautions .......................... 36
Seat heater precautions ................... 413
Child-protectors ..................................... 118
Cleaning ........................................ 458, 461
Aluminum wheels ..............................458
Exterior ...................................................458
Interior .......................................................461
Radar sensor........................................ 366
Seat belts................................................ 462
Climate concierge switch................. 398
Clock..........................................................432
Coat hooks ..............................................443
Compass ...................................................... 91
Condenser...............................................479
Cool box .................................................. 430C