Lexus UX (2022 year). Manual in english — page 26
451
7
7-2. Steps to take in an emergency
Wh
en
troubl
e ar
ises
Q
When the electronic key does not work
properly
O
Make sure that the smart entry & start
system has not been deactivated using
the Remote Touch or at any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer. If it is
off, turn the function on.
O
Check if battery-saving mode is set. If it is
set, cancel the function. (
P.147)
Q
Unlocking the door
Use the mechanical key to perform the
following operations. (
P.126)
1
Insert the mechanical key while
pulling on the driver’s door handle.
2
Unlock the door.
3
Remove the key, return the handle,
and then pull the handle again.
Q
Locking the door
1
With the door open, push down the
inside lock button.
For the front doors
2
Close the door while pulling the
door handle.
If the electronic key does not
operate properly
If communication between the
electronic key and vehicle is inter-
rupted (
P.147) or the electronic
key cannot be used because the
battery is depleted, the smart entry
& start system and wireless remote
control cannot be used. In such
cases, the doors can be opened and
the hybrid system can be started by
following the procedure below.
NOTICE
Q
In case of a smart entry & start system
malfunction or other key-related
problems
Take your vehicle with all the electronic
keys provided with your vehicle, includ-
ing the card key, to any authorized Lexus
retailer or Lexus authorized repairer, or
any reliable repairer.
Locking and unlocking the doors
452
7-2. Steps to take in an emergency
For the Rear doors
2
Close the door.
Q
Key linked functions
The opening and closing of the power win-
dows and moon roof (if equipped) can be
linked to key operation by a customized
setting.
1
Closes the windows and moon roof
(turn and hold)
2
Opens the windows and moon roof
(turn and hold)
1
Ensure that the shift lever is in P and
depress the brake pedal.
2
Touch the Lexus emblem side of
the electronic key to the power
switch.
When the electronic key is detected, a
buzzer sounds and the power switch will
turn to ON.
When the smart entry & start system is
deactivated in customization setting, the
power switch will turn to ACC.
3
Firmly depress the brake pedal and
check that
is shown on the
multi-information display.
4
Press the power switch.
In the event that the hybrid system still can-
not be started, contact any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Q
Stopping the hybrid system
Shift the shift lever to P, set the parking
brake and press the power switch as you
normally do when stopping the hybrid sys-
tem.
Q
Electronic key battery
As the above procedure is a temporary
measure, it is recommended that the elec-
tronic key battery be replaced immediately
when the battery is depleted. (
P.395)
Q
Alarm (if equipped)
Using the mechanical key to lock the doors
will not set the alarm system.
If a door is unlocked using the mechanical
key when the alarm system is set, the alarm
may be triggered. (
P.88)
Q
Changing power switch modes
Release the brake pedal and press the
power switch in step
3
above.
The hybrid system does not start and modes
WARNING
Q
When using the mechanical key and
operating the power windows or
moon roof (if equipped)
Operate the power window or moon
roof after checking to make sure that
there is no possibility of any passenger
having any of their body parts caught in
the window or moon roof.
Also, do not allow children to operate the
wireless remote control or mechanical
key. It is possible for children and other
passengers to get caught in the power
window or moon roof.
Starting the hybrid system
453
7
7-2. Steps to take in an emergency
Wh
en
troubl
e ar
ises
will be changed each time the switch is
pressed. (
P.186)
If you have a set of jumper (or booster)
cables and a second vehicle with a 12-
volt battery, you can jump start your
vehicle by following the steps below.
1
Confirm that the electronic key is
being carried.
When connecting the jumper (or booster)
cables, depending on the situation, the
alarm may activate and the doors may
lock. (
P.89)
If the 12-volt battery is dis-
charged
The following procedures may be
used to start the hybrid system if the
vehicle’s 12-volt battery is dis-
charged.
You can also call any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Restarting the hybrid system
454
7-2. Steps to take in an emergency
2
Open the hood (
P.370) and
fuse box cover.
3
Open the exclusive jump starting
terminal cover.
4
Remove the engine cover.
455
7
7-2. Steps to take in an emergency
Wh
en
troubl
e ar
ises
5
Connect a positive jumper cable clamp to
on your vehicle and connect the
clamp on the other end of the positive cable to
on the second vehicle. Then,
connect a negative cable clamp to
on the second vehicle and connect the
clamp at the other end of the negative cable to
.
Exclusive jump starting terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point away from the exclusive jump starting
terminal and any moving parts as shown in the illustration
6
Start the engine of the second vehi-
cle. Increase the engine speed
slightly and maintain at that level for
approximately 5 minutes to
recharge the 12-volt battery of your
vehicle.
7
Open and close any of the doors of
your vehicle with the power switch
OFF.
8
Maintain the engine speed of the
second vehicle and start the hybrid
system of your vehicle by turning
the power switch to ON.
9
Make sure the “READY” indicator
comes on. If the indicator light does
not come on, contact any autho-
rized Lexus retailer or Lexus autho-
rized repairer, or any reliable
repairer.
10
Once the hybrid system has
started, remove the jumper cables
in the exact reverse order from
which they were connected.
11
Close the exclusive jump starting
terminal cover, and reinstall the
fuse box cover to its original posi-
tion.
A
B
C
D
A
B
C
D
456
7-2. Steps to take in an emergency
Once the hybrid system starts, have
the vehicle inspected at any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer as
soon as possible.
Q
Starting the hybrid system when the 12-
volt battery is discharged
The hybrid system cannot be started by
push-starting.
Q
To prevent 12-volt battery discharge
O
Turn off the headlights, the air condition-
ing system, the audio system, etc. while
the hybrid system is off.
O
Turn off any unnecessary electrical com-
ponents when the vehicle is running at a
low speed for an extended period, such
as in heavy traffic.
Q
Charging the 12-volt battery
The electricity stored in the 12-volt battery
will discharge gradually even when the
vehicle is not in use, due to natural dis-
charge and the draining effects of certain
electrical appliances. If the vehicle is left for
a long time, the 12-volt battery may dis-
charge, and the hybrid system may be
unable to start. (The 12-volt battery
recharges automatically while the hybrid
system is operating.)
Q
When the 12-volt battery is removed or
discharged
O
Information stored in the ECU is cleared.
When the 12-volt battery is depleted,
have the vehicle inspected at any autho-
rized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
O
In some cases, it may not be possible to
unlock the doors using the smart entry &
start system when the 12-volt battery is
discharged. Use the wireless remote
control or the mechanical key to lock or
unlock the doors.
O
The hybrid system may not start on the
first attempt after the 12-volt battery has
recharged but will start normally after the
second attempt. This is not a malfunction.
O
The power switch mode is memorized by
the vehicle. When the 12-volt battery is
reconnected, the system will return to the
mode it was in before the 12-volt battery
was discharged. Before disconnecting
the 12-volt battery, turn the power switch
off.
If you are unsure what mode the power
switch was in before the 12-volt battery
discharged, be especially careful when
reconnecting the 12-volt battery.
O
The power back door (if equipped) must
be initialized. (
P.140)
Q
When replacing the 12-volt battery
O
Use a Central Degassing type 12-volt
battery (European Regulations).
O
Use a 12-volt battery that the case size is
same as the previous one (LN1), 20 hour
rate capacity (20HR) is equivalent
(45Ah) or greater, and performance rat-
ing (CCA) is equivalent (286A) or
greater.
• If the sizes differ, the 12-volt battery can-
not be properly secured.
• If an improper 12-volt battery is used, bat-
tery performance may decrease and the
hybrid system may not be able to restart.
• If the 20 hour rate capacity is low, even if
the time period where the vehicle is not
used is a short time, the 12-volt battery
may discharge and hybrid system may
not be able to start.
O
Use a 12-volt battery with a handle. If a
12-volt battery without a handle is used,
removal is more difficult.
O
After exchanging, firmly attach the fol-
lowing items to the exhaust hole of the
12-volt battery.
• Confirm that the elbow is securely
attached to the exhaust hose and exhaust
hole.
• Confirm that the exhaust hole plug is
securely attached to the exhaust hole that
the elbow is not attached to.
• Use the elbow/exhaust hole plug
included with the 12-volt battery
exchanged or the one installed on the
battery prior to the exchange. (Depend-
ing on the 12-volt battery to be
exchanged, the exhaust hole may be
457
7
7-2. Steps to take in an emergency
Wh
en
troubl
e ar
ises
plugged.)
Exhaust hole
Exhaust hole plug
Exhaust hose
Elbow
For details, consult with at any authorized
Lexus retailer or Lexus authorized repairer,
or any reliable repairer as soon as possible.
WARNING
Q
When removing the 12-volt battery
terminals
Always remove the negative (-) terminal
first. If the positive (+) terminal contacts
any metal in the surrounding area when
the positive (+) terminal is removed, a
spark may occur, leading to a fire in addi-
tion to electrical shocks and death or
serious injury.
A
B
C
D
Q
Avoiding 12-volt battery fires or
explosions
Observe the following precautions to
prevent accidentally igniting the flamma-
ble gas that may be emitted from the 12-
volt battery:
O
Make sure each jumper cable is con-
nected to the correct terminal and that
it is not unintentionally in contact with
any other than the intended terminal.
O
Do not allow the other end of the
jumper cable connected to the “+” ter-
minal to come into contact with any
other parts or metal surfaces in the
area, such as brackets or unpainted
metal.
O
Do not allow the + and - clamps of the
jumper cables to come into contact
with each other.
O
Do not smoke, use matches, cigarette
lighters or allow open flame near the
12-volt battery.
Q
12-volt battery precautions
The 12-volt battery contains poisonous
and corrosive acidic electrolyte, while
related parts contain lead and lead com-
pounds. Observe the following precau-
tions when handling the 12-volt battery:
O
When working with the 12-volt battery,
always wear safety glasses and take
care not to allow any battery fluids
(acid) to come into contact with skin,
clothing or the vehicle body.
O
Do not lean over the 12-volt battery.
O
In the event that battery fluid (acid)
comes into contact with the skin or
eyes, immediately wash the affected
area with water and seek medical
attention.
Place a wet sponge or cloth over the
affected area until medical attention
can be received.
O
Always wash your hands after han-
dling the 12-volt battery and other bat-
tery-related parts.
458
7-2. Steps to take in an emergency
If the engine coolant temperature
gauge enters the red zone or
“Engine Coolant Temp High Stop in
a Safe Place See Owner’s Manual”
is shown on the multi-information
display
1
Stop the vehicle in a safe place and
turn off the air conditioning system,
and then stop the hybrid system.
2
If you see steam:
Carefully lift the hood after the
steam subsides.
If you do not see steam:
Carefully lift the hood.
3
After the hybrid system has cooled
down sufficiently, inspect the hoses
WARNING
O
Do not allow children near the 12-volt
battery.
Q
After recharging the 12-volt battery
Have the 12-volt battery inspected at any
authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer as soon as possible.
If the 12-volt battery is deteriorating, con-
tinued use may cause the 12-volt battery
to emit a malodorous gas, which may be
detrimental to the health of passengers.
Q
When replacing the 12-volt battery
O
When the vent plug is close to the hold
down clamp, the battery fluid (acid)
may leak.
O
For information regarding battery
replacement, contact any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
O
After exchanging, securely attach the
elbow connected to the exhaust hose,
and exhaust hole plug to the exhaust
hole of the exchanged 12-volt battery.
If not properly installed, gases (hydro-
gen) may leak into the vehicle interior,
and there is the possible danger of the
gas igniting and exploding.
NOTICE
Q
When handling jumper cables
When connecting the jumper cables,
ensure that they do not become entan-
gled in the cooling fans or belt.
Q
To prevent damaging the vehicle
The exclusive jump starting terminal is to
be used when charging the 12-volt bat-
tery from another vehicle in an emer-
gency. It cannot be used to jump start
another vehicle.
If your vehicle overheats
The following may indicate that
your vehicle is overheating.
The engine coolant temperature
gauge (
P.99, 103) enters the
red zone, or a loss of hybrid sys-
tem power is experienced. (For
example, the vehicle speed does
not increase.)
“Engine Coolant Temp High Stop
in a Safe Place See Owner’s
Manual” or “Hybrid System
Overheated Reduced Output
Power” is shown on the multi-
information display.
Steam comes out from under the
hood.
Correction procedures
459
7
7-2. Steps to take in an emergency
Wh
en
troubl
e ar
ises
and radiator core (radiator) for any
leaks.
Radiator
Cooling fans
If a large amount of coolant leaks, immedi-
ately contact any authorized Lexus retailer
or Lexus authorized repairer, or any reli-
able repairer.
4
The coolant level is satisfactory if it
is between the “MAX” and “MIN”
lines on the reservoir.
Reservoir
“MAX” line
“MIN” line
5
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
6
Start the hybrid system and turn the
air conditioning system on to check
that the radiator cooling fans oper-
ate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning
system is turned on immediately after a
cold start. Confirm that the fans are oper-
ating by checking the fan sound and air
flow. If it is difficult to check these, turn the
air conditioning system on and off repeat-
edly. (The fans may not operate in freezing
temperatures.)
7
If the fans are not operating:
Stop the hybrid system immediately
and contact any authorized Lexus
retailer or Lexus authorized
repairer, or any reliable repairer.
If the fans are operating:
Have the vehicle inspected at the
nearest any authorized Lexus
retailer or Lexus authorized
repairer, or any reliable repairer.
8
Check if “Engine Coolant Temp
High Stop in a Safe Place See
Owner’s Manual” is shown on the
multi-information display.
If the message does not disappear:
Stop the hybrid system and contact
any authorized Lexus retailer or
Lexus authorized repairer, or any
A
B
A
B
C
460
7-2. Steps to take in an emergency
reliable repairer.
If the message is not displayed:
Have the vehicle inspected at the
nearest authorized Lexus retailer
or Lexus authorized repairer, or
any reliable repairer.
If “Hybrid System Overheated
Reduced Output Power” is shown
on the multi-information display
1
Stop the vehicle in a safe place.
2
Stop the hybrid system and care-
fully lift the hood.
3
After the hybrid system has cooled
down, inspect the hoses and radia-
tor core (radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks, immedi-
ately contact any authorized Lexus retailer
or Lexus authorized repairer, or any reli-
able repairer.
4
The coolant level is satisfactory if it
is between the “F” and “L” lines on
the reservoir.
Reservoir
“F” line
“L” line
5
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
6
After stopping the hybrid system
and waiting for 5 minutes or more,
start the hybrid system again and
check if “Hybrid System Over-
heated Reduced Output Power” is
shown on the multi-information dis-
play.
If the message does not disappear:
Stop the hybrid system and contact any
authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer.
If the message is not displayed:
A
B
A
B
C
461
7
7-2. Steps to take in an emergency
Wh
en
troubl
e ar
ises
The hybrid system temperature has
dropped and the vehicle may be driven
normally.
However, if the message appears again
frequently, contact any authorized Lexus
retailer or Lexus authorized repairer, or
any reliable repairer.
WARNING
Q
To prevent an accident or injury when
inspecting under the hood of your
vehicle
Observe the following precautions.
Failure to do so may result in serious
injury such as burns.
O
If steam is seen coming from under the
hood, do not open the hood until the
steam has subsided. The engine com-
partment may be very hot.
O
After the hybrid system has been
turned off, check that the “READY”
indicator is off. When the hybrid sys-
tem is operating, the gasoline engine
may automatically start, or the cooling
fans may suddenly operate even if the
gasoline engine stops. Do not touch or
approach rotating parts such as the
fans, which may lead to fingers or
clothing (especially a tie, a scarf or a
muffler) getting caught, resulting in
serious injury.
O
Do not loosen the coolant reservoir
cap while the hybrid system and radia-
tor are hot. High temperature steam or
coolant could spray out.
NOTICE
Q
When adding engine/power control
unit coolant
Add coolant slowly after the hybrid sys-
tem has cooled down sufficiently. Adding
cool coolant to a hot hybrid system too
quickly can cause damage to the hybrid
system.
Q
To prevent damage to the cooling
system
Observe the following precautions:
O
Avoid contaminating the coolant with
foreign matter (such as sand or dust,
etc.).
O
Do not use any coolant additive.
462
7-2. Steps to take in an emergency
1
Stop the hybrid system. Shift the
shift lever to P and set the parking
brake.
2
Remove the mud, snow or sand
from around the front wheels.
3
Place wood, stones or some other
material under the front wheels to
help provide traction.
4
Restart the hybrid system.
5
Shift the shift lever to D or R and
release the parking brake. Then,
while exercising caution, depress
the accelerator pedal.
Q
When it is difficult to free the vehicle
Press the
switch to turn off TRC.
(
P.306)
If the vehicle becomes stuck
Carry out the following procedures
if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
Recovering procedure
WARNING
Q
When attempting to free a stuck vehi-
cle
If you choose to push the vehicle back
and forth to free it, make sure the sur-
rounding area is clear to avoid striking
other vehicles, objects or people. The
vehicle may also lunge forward or lunge
back suddenly as it becomes free. Use
extreme caution.
Q
When shifting the shift lever
Be careful not to shift the shift lever with
the accelerator pedal depressed.
This may lead to unexpected rapid accel-
eration of the vehicle that may cause an
accident resulting in death or serious
injury.
NOTICE
Q
To avoid damage to the hybrid trans-
mission and other components
O
Avoid spinning the tires and depress-
ing the accelerator pedal more than
necessary.
O
If the vehicle remains stuck even after
these procedures are performed, the
vehicle may require towing to be
freed.
8
463
8
Vehic
le spe
cif
ic
at
ion
s
Vehicle specifications
8-1. Specifications
Maintenance data (fuel, oil level,
etc.) . . . . . . . . . . . ..
464
Fuel information. . . . . . .
474
8-2. Customization
Customizable features . . ...
476
8-3. Initialization
Items to initialize . . . . . .
490
464
8-1. Specifications
8-1.Specifications
*1
: Unladen vehicle
*2
: Vehicles with roof rail/without shark fin antenna
*3
: Vehicles with shark fin antenna
*4
: Vehicles with 215/60R17 tires
*5
: Vehicles with 225/50RF18 tires
*6
: Vehicles with towing package
Q
Vehicle identification number
The vehicle identification number
(VIN) is the legal identifier for your
vehicle.
This is the primary identification num-
ber for your Lexus. It is used in regis-
tering the ownership of your vehicle.
This number is on the top left of the
instrument panel.
Maintenance data (fuel, oil level, etc.)
Dimensions and weights
Overall length
4495 mm (177.0 in.)
Overall width
1840 mm (72.4 in.)
Overall height
*1
1520 mm (59.8 in.)
*2
1540 mm (60.6 in.)
*3
Wheelbase
2640 mm (103.9 in.)
Tread
Front
1560 mm (61.4 in.)
*4
1550 mm (61.0 in.)
*5
Rear
1560 mm (61.4 in.)
*4
1550 mm (61.0 in.)
*5
Gross vehicle mass
2110 kg (4652 lb.)
Maximum permissi-
ble axle capacity
Front
1150 kg (2535 lb.)
Rear
1200 kg (2646 lb.)
Drawbar load
*6
75 kg (165 lb.)
Towing capacity
*6
750 kg (1654 lb.)
Vehicle identification
465
8
8-1. Specifications
Vehic
le spe
cif
ic
at
ion
s
This number is also on the manufac-
turer’s label.
This number is also stamped under the
right-hand front seat.
Q
Engine number
The engine number is stamped on the
engine block as shown.
Engine
Model
M20A-FXS
Type
4-cylinder in line, 4-cycle, gasoline
Bore and stroke
80.5
97.6 mm (3.17
3.84 in.)
Displacement
1987 cm
3
(121.3 cu.in.)
Valve clearance
Automatic adjustment
Drive belt tension
Automatic adjustment
466
8-1. Specifications
*1
: For Azerbaijan, Georgia, Russia, Ukraine and Kazakhstan
*2
: Except Azerbaijan, Georgia, Russia, Ukraine and Kazakhstan
Front
Rear (AWD models)
Fuel
Fuel type
When you find these types of fuel label at the
gas station, use only the fuel with one of the fol-
lowing labels.
EU area:
Unleaded gasoline conforming to European
standard EN228 only
Except EU area:
Unleaded gasoline only
Research Octane Number
91 or higher
*1
95 or higher
*2
Fuel tank capacity (Reference)
43 L (11.4 gal., 9.5 Imp.gal.)
Electric motor (traction motor)
Type
Permanent magnet synchronous motor
Maximum output
80 kW
Maximum torque
202 N•m (20.6 kgf•m, 149 ft•lbf)
Type
Induction asynchronous motor
Maximum output
5.3 kW
Maximum torque
55 N•m (5.6 kgf•m, 40.6 ft•lbf)
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