2019 Lexus GX460 key

410
GX460_OM_OM60Q84U_(U)5-3. Using the storage features
Unlock with the mechanical key
Lock with the mechanical key
Open (push the button)
The glove box light turns on when the tail lights are on.
Your vehicle is equipped with either a console box or cool box.
For vehicles with the cool box, refer to P. 423.
Lift the lid while pulling up the lower
lever to release the lock.
Glove box
1
2
3
Console box (if equipped)

443
GX460_OM_OM60Q84U_(U)
6Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehicle exterior ................ 444
Cleaning and protecting the vehicle interior.................. 447
6-2. Maintenance Maintenance requirements ............................450
General maintenance.............. 453
Emission inspection and maintenance (I/M)
programs .................................... 456
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 457
Hood ...............................................460
Engine compartment ................ 461
Tires ................................................. 474
Tire inflation pressure................ 481
Wheels ...........................................485
Air conditioning filter ............... 487
Electronic key battery ..............489
Checking and replacing fuses ............................................... 491
Headlight aim .............................. 494
Light bulbs..................................... 496

GX460_OM_OM60Q84U_(U)
4716-3. 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 power 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 engine before disconnect the battery. Take
extra care when connecting the battery if the engine switch mode prior to discharge is
unknown.
If the system will not start even after mult iple attempts, contact your Lexus dealer.
CAUTION
■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.
1
2
3

489
GX460_OM_OM60Q84U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Electronic key battery
●Flathead screwdriver
●Small Phillips-head screwdriver
●Lithium battery (CR1632)
Take out the mechanical key.
Remove the cover.
To prevent damage to the key, cover the
tip of the screwdriver with a rag.
Remove the depleted battery.
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
1
2
3

490
GX460_OM_OM60Q84U_(U)6-3. Do-it-yourself maintenance
■Use a CR1632 lithium battery
●Batteries can be purc
hased at your Lexus dealer, loca l 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.
■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 rang e will be reduced.
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 coul d 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 co mponent inside the remote control.
●Do not bend either of the battery terminals.

507
GX460_OM_OM60Q84U_(U)
7When trouble arises
7-1. Essential informationEmergency flashers ................. 508
If your vehicle has to be stopped in
an emergency ..........................509
7-2. Steps to take in an emergency If your vehicle needs to be towed................................. 510
If you think something is wrong ............................................ 516
Fuel pump shut off system ........517
If a warning light turns on or a warning buzzer
sounds........................................... 518
If a warning message is displayed..................................... 526
If you have a flat tire ..................540
If the engine will not start ........554
If the electronic key does not operate properly .............556
If the vehicle battery is discharged .................................559
If your vehicle overheats ......... 562
If the vehicle becomes stuck .............................................565

5357-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
7
When trouble arises
Interior buzzerExteriorbuzzerWarning messageDetails/Actions
Once 3 times The electronic key was carried out-
side the vehicle and a door other
than the driver’s door was opened
and closed while the engine switch
was in a mode other than off.

Bring the electronic key back
into the vehicle.
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
in P and the engine switch was not
turned off.
 Turn the engine switch off.
Bring the electronic key back
into the vehicle.
OnceCon-
tinuous
An attempt was made to exit the
vehicle with the electronic key and
lock the doors without first turning
the engine switch off.
Turn the engine switch off and
lock the doors again.
Once
• An attempt was made to start the
engine without the electronic key
being present, or the electronic
key was not functioning normally.
• An attempt was made to drive when the regular key was not
inside the vehicle.
 Confirm that the electronic key
is inside the vehicle.
(Flashes)
(Displayed alternately)
(Flashes)
(Flashes)

5367-2. Steps to take in an emergency
GX460_OM_OM60Q84U_(U)
Con-
tinuous
The driver’s door was opened when
the shift lever was not in P and the
engine switch was not turned off.
 Shift the shift lever to P.
Con-
tinuousCon-
tinuous
The driver’s door was opened and
closed while the electronic key was
not in the vehicle, the shift lever was
not in P and the engine switch was
not turned off.
Shift the shift lever to P.
 Bring the electronic key back
into the vehicle.
OnceContin-
uous
• An attempt was made to lock
either front door by opening a
door and putting the inside lock
button into the lock position, then
closing the door with the elec-
tronic key still inside the vehicle.
• An attempt was made to lock the doors using the sm art access sys-
tem with push-button start while
the electronic key was still inside
the vehicle.
 Retrieve the electronic key
from the vehicle and lock the
doors again.
Interior
buzzerExteriorbuzzerWarning messageDetails/Actions
(Flashes)
(Displayed alternately)
(Flashes)
(Flashes)