Page 872 of 956
8705-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) If the battery is discharged The following procedures may be used to start the engine if the vehicle’s
battery is discharged.
You can also call your Lexus dealer or qualified repair shop.
If you have a set of jumper (or booster) cables and a second vehicle
with a 12-volt battery, you can jump start your Lexus following the steps
below.
Remove the engine compartment cover.
P. 74 8
Connect the jumper cables.
Positive (+) battery terminal on your vehicle
Positive (+) battery terminal on the second vehicle
Negative (-) battery terminal on the second vehicle
Connect the jumper cable to ground on your vehicle as shown in the
illustration. STEP 1
STEP 2
Page 873 of 956

5
When trouble arises
8715-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) ■
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 compon ents 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 discharge gradually even when the vehicle
is not in use, due to natural discharge and the draining 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 must be initialized. ( P. 6 0 )●
Make sure the key is not inside the vehicle when recharging or replacing the
battery. The key may be locked in the vehicle if the alarm is activated. ( P. 1 2 0 )Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the do ors with the “ENGINE START
STOP” switch off.
Maintain the engine speed of th e second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine ha s started, remove the jumper
cables in the exact reverse ord er in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer,
as soon as possible. STEP 3
STEP 4
STEP 5
STEP 6
Page 874 of 956

8725-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) CAUTION■
Avoiding battery fires or explosions
Observe the following precautions to prevent 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 “-” termi-
nals. ●
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. Observe the following precautions when han-
dling the battery. ●
When working with the battery, always we ar safety glasses and take care not to
allow any battery fluids (acid) to come into contact with skin, clothing or the vehi-
cle body. ●
Do not lean over the battery. ●
In the event that battery fluid comes into contact with the skin or eyes, immedi-
ately 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.
NOTICE■
When handling jumper cables
Be careful that the jumper cables do not become tangled in the cooling fan or any
of the belts when connectin g or disconnecting them.
Page 890 of 956
8866-1. Specifications
LX570_OM_OM60L21U_(U) Electrical system
Differential
Your Lexus vehicle is filled with “Toyota Ge nuine Differential Gear Oil” at the fac-
tory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus
dealer for further details. 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.
Oil capacity
Front
Rear 2.01 qt. (1.90 L, 1.67 Imp.qt.)
4.44 qt. (4.20 L, 3.70 Imp.qt.)
Oil type and viscosity Toyota Genuine Differential Gear Oil LT
75W-85 or equivalent
Page 905 of 956

9016-1. Specifications
6
Vehicle specifications
LX570_OM_OM60L21U_(U) Tire related term Meaning
Production options weight The combined weight of installed regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they replace, not previously
considered in curb weight or accessory weight,
including heavy duty brakes, ride levelers, 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
Rim diameter
(Wheel diameter) Nominal diameter of the bead seat
Rim size designation Rim diameter and width
Rim type designation The industry manufacturer’s designation for a rim by
style or code
Rim width Nominal distance between rim flanges
Vehicle capacity weight
(Total load capacity) The rated cargo and luggage load plus 150 lb. (68 kg)
times the vehicle’s designated seating capacity
Vehicle maximum load on
the tire The load on an individual tire that is determined by dis-
tributing to each axle its share of the maximum loaded
vehicle weight, and dividing by two
Vehicle normal load on the
tire The load on an individual tire that is determined by dis-
tributing to each axle its share of curb weight, acces-
sory weight, and normal occupant weight (distributed
in accordance with Table 1
* below), and dividing by
two
We a t h e r s i d e The surface area of the rim not covered by the inflated
tire
Bead The part of the tire that is made of steel wires,
wrapped or reinforced by ply cords and that is shaped
to fit the rim
Page 919 of 956
9156-2. Customization
6
Vehicle specifications
LX570_OM_OM60L21U_(U) ■
Vehicle customization ●
If the smart access system with push-b utton start is turned “OFF”, unlock door
cannot be selected. ●
If the doors are not opened after unlo cking 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 vehicle switches
When using the vehicle switches to set an item that can also be set using the touch
screen, the item displayed on the touch screen will not change immediately.
If the “ENGINE START STOP” switch is firs t turned to OFF, the screen display will
change once the “ENGINE START STOP” switch is turned to IGNITION ON
mode again. ■
When customizing using the touch screen
Stop the vehicle in a safe place, apply th e parking brake, and shift the shift lever to
“P”. Also, to prevent battery discharge, leave the engine running while customizing
the features.
Page 920 of 956
9166-2. Customization
LX570_OM_OM60L21U_(U) Multi-information display ( P. 198)CAUTION■
During customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilatio n. In a closed area such as a garage,
exhaust gases including harmful carbon mo noxide (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
features.
Available languages English (U.S.A.), French
Page 921 of 956
9176
Vehicle specifications
LX570_OM_OM60L21U_(U) 6-3. Initialization
Items to initialize Item
When to initialize Reference
Power back door • After reconnecting or changing the
battery with power back door
opened
• After changing a fuse with power
back door opened P. 6 0
Maintenance data • After the maintenance is performed P. 7 3 7
Tire pressure warning
system • When the set tire pressure has been
changed before towing.
• When rotating the tires in above situ-
ation. P. 76 3The following items must be initialized for normal system operation in cases
such as after the battery is reconnected, or maintenance is performed on
the vehicle.