key battery LEXUS UX200 2019 User Guide

1524-2. Driving procedures
4-2.Driving procedures
1Press the parking brake switch to
check that the parking brake is set.
(P.160)
Parking brake indicator will come on.
2 Check that the shift lever is in P.
3 Firmly depress the brake pedal.
and a message will be displayed on the
multi-information display.
If it is not displayed, the engine cannot be
started.
4 Press the engine switch shortly and
firmly.
When operating the engine switch, one
short, firm press is enough.
It is not necessary to press and hold the
switch.
The engine will crank until it starts or for up
to 30 seconds, whichever is less.
Continue depressing the brake pedal until
the engine is completely started.
The engine can be started from any engine
switch mode.
■Engine switch illumination
According to the situation, the engine
switch illumination operates as follows.
●When a door is opened, or the engine
switch mode is changed from ACC or
ON to OFF, the engine switch illumina-
tion slowly blinks.
●When depressing the brake pedal with
carrying the electronic key on your per-
son, the engine switch illumination rapidly
blinks.
●When the engine swit ch is in ACC or
ON, the engine switch illumination illumi-
nates.
■If the engine does not start
●The engine immobilizer system may not
have been deactivated. ( P.62)
Contact your Lexus dealer.
●If a message related to start-up is shown
on the multi-information display, read the
message and follow the instructions.
●The smart access system with push-but-
ton start may not be operating properly.
(  P.381)
■Electronic key battery depletion
 P.94
■Conditions affecting operation
 P.115
■Note for the entry function
 P.116
■Steering lock function
●After turning the engine switch off and
opening and closing the doors, the steer-
ing wheel will be lock ed due to the steer-
ing lock function. Operating the engine
switch again automatically cancels the
steering lock.
●When the steering lock cannot be
released, “Push Engine Switch while
Turning Steering Whee l in Either Direc-
tion” will be displayed on the multi-infor-
mation display.
Check that the shift lever is in P. Press the
engine switch shortly and firmly while
turning the steering wheel left and right.
Engine (ignition) switch
Performing the following opera-
tions when carryin g the electronic
key on your person starts the
engine or changes engine switch
modes.
Starting the engine

1534-2. Driving procedures
4
Driving
●To prevent the steering lock motor from
overheating, operation of the motor may
be suspended if the engine is turned on
and off repeatedly in a short period of
time. In this case, refrain from running the
engine. After about 10 seconds, the
steering lock motor will resume function-
ing.
■Electronic key battery
 P.341
■Operation of the engine switch
●If the switch is not pressed shortly and
firmly, the engine switch mode may not
change or the engine may not start.
●If attempting to restart the engine imme-
diately after turning the engine switch off,
the engine may not start in some cases.
After turning the engine switch off, please
wait a few seconds before restarting the
engine.
■Customization
If the smart access sy stem with push-button
start has been deactivated in a customized
setting, refer to P.380.1Stop the vehicle completely.
2
Set the parking brake ( P.160),
and shift the shift lever to P
( P.155).
3
Press the engine switch.
4
Release the brake pedal and check
that “ACCESSORY” or “IGNI-
TION ON” is not shown on the
meter.
WARNING
■When starting the engine
Always start the engine while sitting in
the driver’s seat. Do not depress the
accelerator pedal while starting the
engine under any circumstances.
Doing so may cause an accident result-
ing in death or serious injury.
■Caution while driving
If engine failure occurs while the vehicle
is moving, do not lock or open the doors
until the vehicle reaches a safe and com-
plete stop. The steering lock function will
activate and this may lead to an accident,
resulting in death or serious injury.
NOTICE
■When starting the engine
●Do not race a cold engine.
●If the engine becomes difficult to start
or stalls frequently, have your vehicle
checked by your Lexus dealer immedi-
ately.
■Symptoms indicating a malfunction
with the engine switch
If the engine switch seems to be operat-
ing somewhat differently than usual, such
as the switch sticking slightly, there may
be a malfunction. Contact your Lexus
dealer immediately.
Stopping the engine

1664-3. Operating the lights and wipers
■Automatic light off system
●When the headlights come on: The head-
lights and tail lights turn off 30 seconds
after a driver’s door is opened and closed
if the engine switch is turned to ACC or
OFF. (The lights turn off immediately if on the key is pressed after all the
doors are locked.)
●When only the tail lights come on: The tail
lights turn off automatically if the engine
switch is turned to ACC or OFF and the
driver’s door is opened.
To turn the lights on again, turn the engine
switch to ON, or turn the light switch off
once and then back to or .
■Automatic headlight leveling system (if
equipped)
The level of the headlights is automatically
adjusted according to the number of pas-
sengers and the loading condition of the
vehicle to ensure that the headlights do not
interfere with other road users.
■Windshield wiper linked headlight illu-
mination
When driving during daytime with the
headlight switch turned to position, if
the windshield wipers are used, the head-
lights will turn on auto matically after several
seconds to help enha nce the visibility of
your vehicle.
■Battery-saving function
In order to prevent the battery of the vehicle
from discharging, if the headlights and/or
tail lights are on when the engine switch is
turned off the battery saving function will
operate and automatically turn off all the
lights after approximately 20 minutes. When the engine switch is turned to ON,
the battery-saving function will be disabled.
When any of the following are performed,
the battery-saving function is canceled
once and then reactivated. All the lights will
turn off automatically 20 minutes after the
battery-saving function has been reacti-
vated:
●When the headlight switch is operated
●When a door is opened or closed
■Welcome light illumination control
The parking and tail lights automatically
turn on at night when the doors are
unlocked using the entry function or wire-
less remote control if the light switch is in
the position.
■Customization
Settings (e.g. light sensor sensitivity) can be
changed. (Customizable features: P.413,
414)
1With the headlights on, push the
lever away from you to turn on the
high beams.
Pull the lever toward you to the center
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than
necessary when the engine is not run-
ning.
Turning on the high beam head-
lights

2945-6. Using the other interior features
Fold down the armrest for use.
The coat hooks are provided with the
rear assist grips.
NOTICE
●When a portable device is not cen-
tered on the charging area
●When the vehicle is near a TV tower,
electric power plant, gas station, radio
station, large display, airport or other
facility that generates strong radio
waves or electrical noise
●When the portable device is in contact
with, or is covered by any of the follow-
ing metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Metal hand warmers
• Media such as CDs and DVDs
●When wireless keys (that emit radio
waves) other than those of your vehicle
are being used nearby.
If in situations other than above the wire-
less charger does not operate properly
or the operation indicator light is blink-
ing, the wireless charger may be mal-
functioning. Contact your Lexus dealer.
■To prevent failure or damage to data
●Do not bring magnetic cards, such as a
credit card, or magnetic recording
media, close to the wireless charger
while charging. Otherwise, data may
be erased due to the influence of mag-
netism.
Additionally, do not bring precision
instruments such as wrist watches,
close to the wireless charger, as such
objects may malfunction.
●Do not leave portab le devices in the
cabin. The temperature inside the
cabin may become high when parked
in the sun, and cause damage to the
device.
■To prevent battery discharge
Do not use the wireless charger for a
long period of time with the engine is
stopped.
Armrest
NOTICE
■To prevent damage to the armrest
Do not apply too much load on the arm-
rest.
Coat hooks

305
6
6
Maintenance and care
Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 306
Cleaning and protecting the vehi- cle interior ................................. 309
6-2. Maintenance Maintenance requirements ... 312
General maintenance .............. 313
Emission inspection and mainte- nance (I/M) programs .......... 316
6-3. Do-it-yourself maintenance Do-it-yourself service precautions......................................................... 317
Hood................................................ 319
Positioning a floor jack............ 320
Engine compartment................ 321
Tires ................................................ 328
Tire inflation pressure .............. 337
Wheels........................................... 339
Air conditioning filter...............340
Electronic key battery .............. 341
Checking and replacing fuses ........................................................ 343
Headlight aim.............................. 345
Light bulbs .................................... 346

3066-1. Maintenance and care
6-1.Maintenance and care
Working from top to bottom, liber-
ally apply water to the vehicle body,
wheel wells and underside of the
vehicle to remove any dirt and dust.
 Wash the vehicle body using a
sponge or soft cloth, such as a
chamois.
 For hard-to-remove marks, use car
wash soap and rinse thoroughly with
water.
 Wipe away any water.
 Wax the vehicle when the water-
proof coating deteriorates.
If water does not bead on a clean surface,
apply wax when the vehicle body is cool.
■Self-restoring coat
The vehicle body has a self-restoring coat-
ing that is resistant to small surface
scratches caused in a car wash, etc.
●The coating lasts for 5 to 8 years from
when the vehicle is delivered from the
plant.
●The restoration time differs depending on
the depth of the scratch and outside tem-
perature. The restoration time may
become shorter when the coating is
warmed by applying warm water.
●Deep scratches caused by keys, coins,
etc. cannot be restored.
●Do not use wax that contain abrasives.
■Automatic car washes
●Before washing the vehicle:
• Fold the mirrors
• Turn off the power back door (if equipped)
Start washing from the front of the vehicle.
Extend the mirrors before driving.
●Brushes used in automatic car washes
may scratch the vehicl e surface and harm
your vehicle’s paint.
●Rear spoiler may not be washable in
some automatic car washes. There may
also be an increased risk of damage to
vehicle.
■High pressure car washes
●Do not allow the nozzles of the car wash
to come within close proximity of open-
ing and closing part of the doors or side
windows, and do not continuously let
water hit at the same place.
●Before using the car wash, check that the
fuel filler door on your vehicle is closed
properly.
■Note for a smart access system with
push-button start
●If the door handle becomes wet while the
electronic key is within the effective
range, the door may lock and unlock
repeatedly. In that case, follow the follow-
ing correction procedures to wash the
vehicle:
• Place the key in a position 6 ft. (2 m) or more separate from the vehicle while the
vehicle is being wash ed. (Take care to
ensure that the key is not stolen.)
• Set the electronic key to battery-saving
mode to disable the smart access system
with push-button start. ( P.115)
●If the electronic key is inside the vehicle
and a door handle becomes wet during a
car wash, a buzzer may sound outside the
vehicle and “Key Detected in Vehicle”
may be shown on the multi-information
display. To turn off the alarm, lock all the
doors.
■Aluminum wheels
●Remove any dirt immediately by using a
neutral detergent.
Cleaning and protecting the
vehicle exterior
Perform cleaning in a manner
appropriate to each component
and its material.
Cleaning instructions

3266-3. Do-it-yourself maintenance
the cell.
3Put the vent plug back on and close
it securely.
■Before recharging
When recharging, the battery produces
hydrogen gas which is flammable and
explosive. Therefore, observe the following
precautions 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 char-
ger is off when connecting and discon-
necting the charger cables to the battery.
■After recharging/reconnecting the bat-
tery
●The engine may not start. Follow the pro-
cedure below to initialize the system.
1
Shift the shift lever to P.
2
Open and close any of the doors.
3
Restart the engine.
●Unlocking the doors using the smart
access system with pu sh-button start may
not be possible immediately after recon-
necting 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
ACC. 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 power 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 multiple
attempts at all methods above, contact your
Lexus dealer.
WARNING
■Chemicals in the battery
Battery contains poisonous and corro-
sive sulfuric acid and may produce
hydrogen gas which is flammable and
explosive. To reduce the risk of death or
serious injury, take the following precau-
tions while working on or near the bat-
tery:
●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 sa fety 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
insufficient ventilation.
■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.

3416-3. Do-it-yourself maintenance
6
Maintenance and care
filter.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-but-
ton start and wireless remote control will
not function properly.
●The operational range will be reduced.
■When the card key battery needs to be
replaced (if equipped)
The battery for the card key is available only
at Lexus dealers. Your Lexus dealer can
replace the battery for you.
Prepare the following before replacing
the battery:
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■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.
NOTICE
■When using the air conditioning sys-
tem
Make sure that a filter is always installed.
Using the air conditioning system without
a filter may cause damage to the system.
■To prevent damage to the filter cover
When moving the filter cover in the
direction of arrow to release the fitting,
pay attention not to apply excessive force
to the claws. Otherwise, the claws may
be damaged.
Electronic key battery
Replace the battery with a new one
if it is depleted.
Items to prepare

3426-3. Do-it-yourself maintenance
1Take out the mechanical key.
2
Remove the cover.
To prevent damage to the key, cover the tip
of the flathead screwdriver with a tape.
3Remove the depleted battery using
the small flathead screwdriver.
Insert a new battery with the “+” terminal
facing up.
Replacing the batteryWARNING
■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
■When replacing the battery
Use a screwdriver of appropriate size.
Applying excessive force may deform or
damage the cover.
■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 com-
ponent inside the remote control.
●Do not bend either of the battery ter-
minals.

349
7
7
When trouble arises
When trouble arises
7-1. Essential informationEmergency flashers.................. 350
If your vehicle has to be stopped in an emergency .......................... 350
If the vehicle is trapped in rising water............................................. 351
7-2. Steps to take in an emergency If your vehicle needs to be towed........................................................ 353
If you think something is wrong ........................................................ 356
Fuel pump shut off system ..... 357
If a warning light turns on or a warning buzzer sounds ....... 358
If a warning message is displayed ........................................................ 367
If you have a flat tire (vehicles with spare tire) .................................. 370
If you have a flat tire (vehicles without spare tire) .................. 377
If the engine wi ll not start .......378
If you lose your keys ................. 379
If the fuel filler door cannot be opened........................................ 380
If the electronic key does not operate properly .................... 380
If the vehicle battery is discharged ........................................................ 382
If your vehicle overheats ........ 386
If the vehicle becomes stuck 388