2014 LEXUS LX570 battery

7434
Maintenance and care
LX570_OM_OM60L21U_(U) 4-3. Do-it-yourself maintenance
Do-it-yourself service precautions If you perform maintenance yourself, be sure to follow the correct proce-
dures given in these sections.
Items Pa r t s a n d t o o l s
Battery condition (  P. 7 5 8 ) •Warm water
• Baking soda
•Grease
• Conventional wrench
(for terminal clamp bolts)
Brake fluid level (  P. 7 5 5 ) • FMVSS No.116 DOT 3 or SAE
J1703 brake fluid
•Rag or paper towel
• Funnel (used only for adding brake
fluid)
Engine coolant level (  P. 7 5 3 ) • “Toyota Super Long Life Coolant”
or similar high quality ethylene gly-
col based non-silicate, non-amine,
non-nitrite and non-borate coolant
with long-life hybrid organic acid
technology.
For the U.S.A.:
“Toyota Super Long Life Coolant”
is pre-mixed with 50% coolant and
50% deionized water.
For Canada:
“Toyota Super Long Life Coolant”
is pre-mixed with 55% coolant and
45% deionized water.
• Funnel (used only for adding cool-
ant)

7454-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) CAUTIONThe engine compartment contains many mechanisms and fluids that may move sud-
denly, become hot, or become electrically energized. To avoid death or serious injury
observe the following precautions. ■
When working on the engine compartment ●
Keep hands, clothing and tools away from the moving fans and engine drive belt. ●
Be careful not to touch the engine, radiator , exhaust manifold, etc. right after driv-
ing as they may be hot. Oil and other fluids may also be hot. ●
Do not leave anything that may burn easi ly, such as paper or rags, in the engine
compartment. ●
Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel
and battery fumes are flammable. ●
Be extremely cautious when working on the battery. It contains poisonous and
corrosive sulfuric acid.■
When working near the electric cooling fan or radiator grille
Be sure the “ENGINE START STOP” switch is OFF.
With the “ENGINE START STOP” switch in IGNITION ON mode, the electric
cooling fan may automatically start to run if the air conditioning is on and/or the
coolant temperature is high. (  P. 7 5 4 )■
When working on or under the vehicle ●
Do not get under the vehicle with just the jack supporting it.
Always use automotive jack stands or other solid supports. ●
Use eye protection to prevent flying or falling material, fluid spray, etc. from get-
ting in your eyes.
NOTICE■
If you remove the air cleaner filter
Driving with the air cleaner removed may cause excessive engine wear due to dirt
in the air.

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.