battery LEXUS LX570 2014 Workshop Manual

7474-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Engine compartment
Power steering fluid reservoir
(  P. 7 5 7 )
Engine oil level dipstick
(  P. 74 9 )
Engine oil filler cap
(  P. 750)
Brake fluid reservoir
(  P. 755) Fuse box (  P. 7 8 2 )
Washer fluid tank (  P. 76 1 )
Battery (  P. 7 5 8 )
Cooling fans
Condenser (  P. 7 5 4 )
Radiator (  P. 7 5 4 )
Engine coolant reservoir
(  P. 753)

7584-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) Battery
■ Battery exterior
Make sure that the battery terminals are not corroded and that there
are no loose connections, cracks, or loose clamps.
Terminals
Hold-down clampCAUTION■
When checking the reservoir
Take care, as the reservoir may be hot.
NOTICE■
When adding fluid
Avoid overfilling, or the power steering may be damaged. ■
After replacing the reservoir cap
Check the steering box case, vane pump and hose connections for leaks or dam-
age.

7594-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) ■
Before recharging
When recharging, the battery produces hydrogen gas which is flammable and
explosive. Therefore, before recharging: ●
If recharging with the battery installed on the vehicle, be sure to disconnect the
ground cable. ●
Make sure the power switch on the charger is off when connecting and discon-
necting the charger cables to the battery.■
After recharging/reconnecting the battery
The engine may not start. Follow the procedure below to initialize the system.
Depress the brake pedal with the shift lever in “P” or “N”.
Open and close any of the doors.
Restart the engine.
CAUTION■
Chemicals in the battery
A battery contains poisonous and corrosive sulfuric acid and may produce hydro-
gen gas which is flammable and explosive. To reduce the risk of death or serious
injury, take the following precautions while working on or near battery: ●
Do not cause sparks by touching the battery terminals with tools. ●
Do not smoke or light a match near the battery. ●
Avoid contact with eyes, skin and clothes. ●
Never inhale or swallow electrolyte. ●
Wear protective safety glasses when working near the battery. ●
Keep children away from the battery. STEP 1
STEP 2
STEP 3

7604-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) CAUTION■
Where to safely charge the battery
Always charge the battery in an open area. Do not charge the battery in a garage or
closed room where there is not sufficient ventilation. ■
How to recharge the battery
Only perform a slow charge (5A or less). The battery may explode if charged at a
quicker rate. ■
Emergency measures regarding electrolyte ●
If electrolyte gets in your eyes
Flush your eyes with clean water for at least 15 minutes and get immediate medi-
cal attention. If possible, continue to apply water with a sponge or cloth while
traveling to the nearest medical facility. ●
If electrolyte gets on your skin
Wash the affected area thoroughly. If you feel pain or burning, get medical atten-
tion 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 necessary. ●
If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention imme-
diately.
NOTICE■
When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all accesso-
ries are turned off.

7804-3. Do-it-yourself maintenance
LX570_OM_OM60L21U_(U) Electronic key battery Replace the battery with a new one if it is discharged.
■ You will need the following items:
● Flathead screwdriver (To prevent damage to the key, cover the tip
of the screwdriver with rag.)
● Small Phillips-head sc rewdriver
● Lithium battery (CR1632)
■ Replacing the battery
Take out the mechanical key
(  P. 31).
Remove the cover.
Remove the depleted battery. Insert a new battery with the “+”
terminal facing up.STEP 1
STEP 2
STEP 3

7814-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) ■
If the electronic key battery is discharged
The following symptoms may occur. ●
The smart access system with push-button start and wireless remote control will
not function properly. ●
The operational range is reduced.■
Use a CR1632 lithium battery ●
Batteries can be purchased at your Lexus dealer, jewelers, or camera stores.●
Replace only with the same or equivalent type recommended by your Lexus
dealer. ●
Dispose of used batteries according to the local laws.■
When the card key battery needs to be replaced
The battery for the card key is available only at Lexus dealer. Your Lexus dealer can
replace the battery for you.
CAUTION■
Removed battery and other parts
These parts are small and if swallowed by a child, they can cause choking. Keep
away from children. Failure to do so could result in death or serious injury.
NOTICE■
For normal operation after replacing the battery
Observe the following precautions to prevent accidents. ●
Always work with dry hands.
Moisture may cause the battery to rust. ●
Do not touch or move any other comp onents inside the electronic key.●
Do not bend the battery terminals.

When trouble arises
5
811
LX570_OM_OM60L21U_(U) 5-1. Essential information
Emergency flashers................ 812
If your vehicle needs to be
towed ....................................... 813
If you think something is
wrong ....................................... 819
Fuel pump shut off
system .................................... 820 5-2. Steps to take in an
emergency
If a warning light turns on
or a warning buzzer
sounds... .................................. 821
If a warning message is
displayed................................ 832
If you have a flat tire............... 849
If the engine will not
start ......................................... 863
If the shift lever cannot be
shifted from “P”.................... 865
If you lose your keys .............. 866
If the electronic key does
not operate properly.......... 867
If the battery is
discharged ............................ 870
If your vehicle overheats ..... 873
If the vehicle becomes
stuck......................................... 876
If your vehicle has to be
stopped in an
emergency ............................ 878

812
LX570_OM_OM60L21U_(U) 5-1. Essential information
Emergency flashers ■
Emergency flashers
If the emergency flashers are used for a long time while the engine is not operating,
the battery may discharge.The emergency flashers are used to warn other drivers when the vehicle
has to be stopped in the road due to a breakdown, etc.
Press the switch. All the turn signal lights will flash.
To turn them off, press the switch
once again.

5
When trouble arises
8435-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) * : If the engine does not start when the electronic key is inside the vehicle, the
electronic key battery may be depleted or there may be difficulty receiving sig-
nal from the key. (  P. 8 6 7 )Interior
buzzer Exterior
buzzerWa r n i n g m e s s a g e Details Correction
procedure
Once 
(Flashes) An attempt was
made to start the
engine without
the electronic key
being present, or
the electronic key
was not function-
ing normally.
An attempt was
made to drive
when the regular
key was not inside
the vehicle. Start the engine
with the elec-
tronic key
present
* .

8465-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) Once  The electronic key
has a low battery. Replace the elec-
tronic key battery.
(  P. 7 8 0 )
Once 
(Flashes) A door was
opened and
closed with the
“ENGINE START
STOP” switch
turned off and
then the
“ENGINE START
STOP” switch was
put in ACCES-
SORY mode
twice without the
engine being
started. Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal.
Once 
(Flashes) The steering lock
could not be
released within 3
seconds of the
“ENGINE START
STOP” switch
being pressed. Press the
“ENGINE START
STOP” switch
while depressing
the brake pedal
and moving the
steering wheel left
and right.Interior
buzzer Exterior
buzzerWa r n i n g m e s s a g e Details Correction
procedure