2016 LEXUS LX570 battery

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LX570_OM_OM60N01U_(U)6-3. Do-it-yourself maintenance
Check the battery as follows.
■Battery exterior
Make sure that the battery terminals are not corroded and that there are no
loose connections, cracks, or loose clamps.
Te r m i n a l s
Hold-down clamp
WA R N I N G
■When checking the reservoir
Take care as the reservoir may be hot.
NOTICE
■When adding fluid
Avoid overfilling, or the powe r steering may be damaged.
■After replacing the reservoir cap
Check the steering box case, vane pump an d hose connections for leaks or damage.
Battery
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LX570_OM_OM60N01U_(U)
4836-3. Do-it-yourself maintenance
6
Maintenance and care
■Before recharging
When recharging, the battery produces hydrogen gas which is flammable and explosive.
Therefore, observe the following before recharging:
●If recharging with the battery installed on the vehicle, be sure to disconnect the ground
cable.
●Make sure the engine switch on the charger is off when connecting and disconnecting
the charger cables to the battery.
■After recharging/reconnecting the battery
The engine may not start. Follow the procedure below to initialize the system.
Shift the shift lever to P.
Open and close any of the doors.
Restart the engine.
●Unlocking the doors using the smart access system with push-button start may not be
possible immediately after reconnecting the battery. If this happens, use the wireless
remote control or the mechanical key to lock/unlock the doors.
●Start the engine with the engine switch in ACCESSORY mode. The engine may not
start with the engine switch turned off. However, the engine will operate normally from
the second attempt.
●The engine switch mode is recorded by the vehicle. If the battery is reconnected, the
vehicle will return the engine switch mode to the status it was in before the battery was
disconnected. Make sure to turn off the en gine before disconnect the battery. Take
extra care when connecting the battery if the engine switch mode prior to discharge is
unknown.
If the engine will not start even after mult iple attempts, contact your Lexus dealer.
WA R N I N G
■Chemicals in the battery
Batteries contain poisonous and corrosive sulfuric acid and may produce hydrogen
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.
■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.
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LX570_OM_OM60N01U_(U)6-3. Do-it-yourself maintenance
WA R N I N G
■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 medical
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 fe el 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 fol-
low the procedure above if necessary.
●If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention immedi-
ately.
NOTICE
■When recharging the battery
Never recharge the battery while the engine is running. Also, be sure all accessories
are turned off.

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LX570_OM_OM60N01U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Electronic key battery
●Flathead screwdriver
●Lithium battery (CR2032)
Take out the mechanical key.
Remove the cover.
To prevent damage to the key, cover the
tip of the flathead screwdriver with a
tape.
Remove the depleted battery.
When removing the cover, if the battery
cannot be seen due to the electronic key
module attaching to the upper cover,
remove the electronic key module from
the cover so that the battery is visible as
shown in the illustration.
Insert a new battery with the “+” termi-
nal facing up.
Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
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LX570_OM_OM60N01U_(U)6-3. Do-it-yourself maintenance
■Use a CR2032 lithium battery
●Batteries can be purchased at your Lexus
dealer, local electrical appliance shops or
camera stores.
●Replace only with the same or equivalent type recommended by the manufacturer.
●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 dealers. Your Lexus dealer can
replace the battery for you.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-button start and wireless remote control will not
function properly.
●The operational range will be reduced.
WA R N I N G
■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 afte r 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 component inside the remote control.
●Do not bend either of the battery terminals.

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LX570_OM_OM60N01U_(U)
7When trouble arises
7-1. Essential informationEmergency flashers ................... 514
If your vehicle has to be stopped in an emergency ..... 515
7-2. Steps to take in an emergency If your vehicle needs to be towed ................................. 516
If you think something is wrong ........................................... 522
Fuel pump shut off system ...... 523
If a warning light turns on or a warning buzzer
sounds.......................................... 524
If a warning message is displayed..................................... 532
If you have a flat tire................... 536
If the engine will not start ........ 547
If the shift lever cannot be shifted from P............................ 549
If the electronic key does not operate properly .............550
If the vehicle battery is discharged ................................. 553
If your vehicle overheats ......... 556
If the vehicle becomes stuck ............................................. 559

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LX570_OM_OM60N01U_(U)7-1. Essential information
Emergency flashers
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch once
again.
■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.

5347-2. Steps to take in an emergency
LX570_OM_OM60N01U_(U)
■If “See Owner’s Manual” is shown
●If “Smart Access System Malfunction” is shown, this may be a malfunction.
Immediately have the vehicle inspected by your Lexus dealer.
●If “Transmission Fluid Temp High” is shown, it indicates that the automatic transmission
fluid temperature is too high.
Immediately stop the vehicle in a safe place, shift the shift lever to P and wait until the
warning message and light go off. If the warning message and light go off, you may
start the vehicle again. If the warning message and light do not go off, contact your
Lexus dealer.
■If “Shift to P Before Exiting Vehicle” is shown
Message is displayed when the driver’s door is opened without turning the engine switch
to off with the shift lever in any position other than P.
Shift the shift lever to P.
■If “Power Turned Off to Save Battery” is shown
Power was turned off due to the automatic power off function.
Next time when starting the engine, increase the engine speed slightly and maintain that
level for approximately 5 minutes to recharge the battery.
■When a message that indicates the need for the shift lever operation is shown
To prevent the shift lever from being operated incorrectly or the vehicle from moving
unexpectedly, a message that requires shifting the shift lever may be shown on the multi-
information display. In that case, follow the instruction of the message and shift the shift
lever.
■When “Headlight System Malfunction Visit Your Dealer” is displayed on the multi-
information display
The following systems may be malfunctioning. Have the vehicle inspected by your Lexus
dealer.
●The LED headlight system
●The automatic headlight leveling system
●AHB (Automatic High Beam) (if equipped)
■If “Forward Camera System Unavailable” or “Forward Camera System Unavailable
Clean Windshield” is displayed. (if equipped)
The following systems may be suspended un til the problem shown in the message is
resolved.
●Dynamic radar cruise control with full-speed range
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert)
●AHB (Automatic High Beam)
■If “Engine Oil Level Low” is shown
Indicates that engine oil level is low.
Check the level of engine oil, and add if necessary.
This message may appear if the vehicle is stopped on a slope.
Move the vehicle to a level surface and check to see if the message disappears.