LEXUS RX 450H (2019 year). Manual — part 5
80
1-3. Hybrid system
RX450h_RX450hL_U
■
If a warning light comes on, a warning message is displayed, or the 12-volt battery is dis-
connected
The hybrid system may not start. In this case, try to start the system again. If the “READY”
indicator does not come on, contact your Lexus dealer.
■
Running out of fuel
When the vehicle has run out of fuel and the hybrid system cannot be started, refuel the
vehicle with at least enough gasoline to make the low fuel level warning light (
go off. If there is only a small amount of fuel, the hybrid system may not be able to start.
(The standard amount of fuel is about 2.9 gal. [11.0 L, 2.4 Imp.gal.], when the vehicle is on
a level surface. This value may vary when the vehicle is on a slope. Add extra fuel when
the vehicle is inclined.)
■
Electromagnetic waves
●
High voltage parts and cables on hybrid vehicles incorporate electromagnetic shield-
ing, and therefore emit approximately the same amount of electromagnetic waves as
conventional gasoline powered vehicles or home electronic appliances.
●
Your vehicle may cause sound interference in some third party-produced radio parts.
■
Hybrid battery (traction battery)
The hybrid battery (traction battery) has a limited service life. The lifespan of the hybrid
battery (traction battery) can change in accordance with driving style and driving condi-
tions.
WARNING
■
High voltage precautions
This vehicle has high voltage DC and AC systems as well as a 12-volt system. DC and
AC high voltage is very dangerous and can cause severe burns and electric shock that
may result in death or serious injury.
●
Never touch, disassemble, remove or replace the high voltage parts, cables or their
connectors.
●
The hybrid system will become hot after starting as the system uses high voltage. Be
careful of both the high voltage and the high temperature, and always obey the warn-
ing labels attached to the vehicle.
●
Never try to open the service plug access
hole located under the rear seat. The service
plug is used only when the vehicle is serviced
and is subject to high voltage.
81
1-3. Hybrid system
1
For safety
and security
RX450h_RX450hL_U
WARNING
■
Road accident cautions
Observe the following precautions to reduce the risk of death or serious injury:
●
Pull your vehicle off the road, shift the shift lever to P, apply the parking brake, and
turn the hybrid system off.
●
Do not touch the high voltage parts, cables and connectors.
●
If electric wires are exposed inside or outside your vehicle, an electric shock may
occur. Never touch exposed electric wires.
●
If a fluid leak occurs, do not touch the fluid as it may be strong alkaline electrolyte
from the hybrid battery (traction battery). If it comes into contact with your skin or
eyes, wash it off immediately with a large amount of water or, if possible, boric acid
solution. Seek immediate medical attention.
●
If a fire occurs in the hybrid vehicle, leave the vehicle as soon as possible. Never use a
fire extinguisher that is not meant for electric fires. Using even a small amount of
water may be dangerous.
●
If your vehicle needs to be towed, do so with all four wheels raised. If the wheels con-
nected to the electric motor (traction motor) are on the ground when towing, the
motor may continue to generate electricity. This may cause a fire. (
●
Carefully inspect the ground under the vehicle. If you find that liquid has leaked onto
the ground, the fuel system may have been damaged. Leave the vehicle as soon as
possible.
■
Hybrid battery (traction battery)
●
Never resell, hand over or modify the hybrid battery. To prevent accidents, hybrid
batteries that have been removed from a disposed vehicle are collected through
Lexus dealer. Do not dispose of the battery yourself.
Unless the battery is properly collected, the following may occur, resulting in death
or serious injury:
• The hybrid battery may be illegally disposed of or dumped, and it is hazardous to
the environment or someone may touch a high voltage part, resulting in an electric
shock.
• The hybrid battery is intended to be used exclusively with your hybrid vehicle. If
the hybrid battery is used outside of your vehicle or modified in any way, accidents
such as electric shock, heat generation, smoke generation, an explosion and elec-
trolyte leakage may occur.
When reselling or handing over your vehicle, the possibility of an accident is
extremely high because the person receiving the vehicle may not be aware of these
dangers.
●
If your vehicle is disposed of without the hybrid battery having been removed, there is
a danger of serious electric shock if high voltage parts, cables and their connectors
are touched. In the event that your vehicle must be disposed of, the hybrid battery
must be disposed of by your Lexus dealer or a qualified service shop. If the hybrid bat-
tery is not disposed of properly, it may cause electric shock that can result in death or
serious injury.
82
1-3. Hybrid system
RX450h_RX450hL_U
NOTICE
■
Hybrid battery (traction battery) air intake/discharge vents
●
Do not place objects that will block the air intake vents. The hybrid battery (traction
battery) may overheat and be damaged.
●
Clean the air intake/discharge vents regularly to prevent the hybrid battery (traction
battery) from overheating.
●
Do not get water or foreign materials in either the air intake/discharge vents as this
may cause a short circuit and damage the hybrid battery (traction battery).
●
Do not carry large amounts of water such as water cooler bottles in the vehicle. If
water spills onto the hybrid battery (traction battery), the battery may be damaged.
Have the vehicle inspected by your Lexus dealer.
83
1
For safety
and security
RX450h_RX450hL_U
1-4. Theft deterrent system
The indicator light flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the power switch has been turned to
ACCESSORY or ON mode to indi-
cate that the system has been canceled.
■
System maintenance
The vehicle has a maintenance-free type immobilizer system.
■
Conditions that may cause the system to malfunction
●
If the grip portion of the key is in contact with a metallic object
●
If the key is in close proximity to or touching a key registered to the security system (key
with a built-in transponder chip) of another vehicle
Immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the hybrid sys-
tem from starting if a key has not been previously registered in the vehicle’s
on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to help prevent vehicle theft but does not guarantee
absolute security against all vehicle thefts.
84
1-4. Theft deterrent system
RX450h_RX450hL_U
■
Certification for the immobilizer system
For vehicles sold in the U.S.A.
85
1-4. Theft deterrent system
1
For safety
and security
RX450h_RX450hL_U
For vehicles sold in Canada
WARNING
■
Certifications for the immobilizer system
Changes or modifications not expressly approved by the party responsible for compli-
ance could void the user’s authority to operate the equipment.
NOTICE
■
To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of
the system cannot be guaranteed.
86
1-4. Theft deterrent system
RX450h_RX450hL_U
The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following situations when the alarm is set:
●
A locked door is unlocked or opened in any way other than using the entry
function, wireless remote control or mechanical key. (The doors will lock again
automatically.)
●
The hood is opened.
Close the doors and hood, and lock all
the doors. The system will be set auto-
matically after 30 seconds.
The indicator light changes from being
on to flashing when the system is set.
Do one of the following to deactivate or stop the alarms:
●
Unlock the doors.
●
Turn the power switch to ACCESSORY or ON mode, or start the hybrid sys-
tem. (The alarm will be deactivated or stopped after a few seconds.)
Alarm
The alarm
Setting the alarm system
Deactivating or stopping the alarm
87
1-4. Theft deterrent system
1
For safety
and security
RX450h_RX450hL_U
■
System maintenance
The vehicle has a maintenance-free type alarm system.
■
Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing:
●
Nobody is in the vehicle.
●
The windows and moon roof or panoramic moon roof are closed before the alarm is
set.
●
No valuables or other personal items are left in the vehicle.
■
Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
■
Alarm-operated door lock
In the following cases, depending on the situation, the door may automatically lock to
prevent improper entry into the vehicle:
●
When a person remaining in the vehicle unlocks the door and the alarm is activated.
●
While the alarm is activated, a person remaining in the vehicle unlocks the door.
●
When recharging or replacing the 12-volt battery
●
A person inside the vehicle opens a door or
hood, or unlocks the vehicle.
●
The 12-volt battery is recharged or replaced
when the vehicle is locked. (
NOTICE
■
To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of
the system cannot be guaranteed.
88
1-4. Theft deterrent system
RX450h_RX450hL_U
89
Instrument cluster
2
RX450h_RX450hL_U
indicators. . . . . . . . . ...90
Gauges and meters. . . . . .96
Multi-information display . . ..101
Head-up display. . . . . . . 118
Energy monitor/
90
RX450h_RX450hL_U
2. Instrument cluster
Except F SPORT models
F SPORT models
The units used on the meter and some indicators may differ depending on the target
region.
Warning lights and indicators
The warning lights and indicators on the instrument cluster, center panel and
outside rear view mirrors inform the driver of the status of the vehicle’s vari-
ous systems.
For the purpose of explanation, the following illustrations display all warning
lights and indicators illuminated.
91
2. Instrument cluster
2
Instrument cl
uste
r
RX450h_RX450hL_U
Warning lights inform the driver of malfunctions in any of the vehicle’s systems.
Warning lights
*
1
(U.S.A.)
Brake system warning light
(
(U.S.A.)
Parking brake indicator
(
*
1
(Canada)
Brake system warning light
(
(Canada)
Parking brake indicator
(
*
1
Brake system warning light
(
*
1, 2
Brake hold operated
indicator (
*
1
(if equipped)
Charging system warning
light (
*
1
Electric power steering
system warning light
(
*
1
(U.S.A.)
Malfunction indicator lamp
(
*
1
Electric power steering
system warning light
(
*
1
(Canada)
Malfunction indicator lamp
(
LKA indicator (
*
1
SRS warning light
(
*
1
Slip indicator (
*
1
(U.S.A.)
ABS warning light
(
*
1, 3
PCS warning light
(
*
1
(Canada)
ABS warning light
(
*
1, 2
(if equipped)
ICS OFF indicator
(
92
2. Instrument cluster
RX450h_RX450hL_U
*
1
: These lights turn on when the power switch is turned to ON mode to indicate that a
system check is being performed. They will turn off after the hybrid system is on, or
after a few seconds. There may be a malfunction in a system if a light does not come
on, or turn off. Have the vehicle inspected by your Lexus dealer.
*
2
: This light flashes to indicate a malfunction.
*
3
: This light flashes or illuminates to indicate a malfunction.
*
4
: This light illuminates on the center panel.
*
5
: RX450h
*
6
: RX450hL
The indicators inform the driver of the operating state of the vehicle’s various sys-
tems.
Low fuel level warning light
(
*
4,6
Rear passengers’ seat
belt reminder light
(
Driver’s and front
passenger’s seat belt
reminder light (
*
1
Tire pressure warning light
(
*
4, 5
Rear passengers’ seat
belt reminder light
(
*
1
Master warning light
(
Indicators
Turn signal indicator
(
Fog light indicator
(
(U.S.A.)
Headlight indicator
(
Cruise control indicator
(
(Canada)
Tail light indicator
(
Radar cruise control
indicator (
P. 306)
Headlight high beam
indicator (
Cruise control “SET”
indicator (
P. 306)
*
1
Automatic High Beam
indicator (
LKA indicator (
93
2. Instrument cluster
2
Instrument cl
uste
r
RX450h_RX450hL_U
LKA indicator (
(U.S.A.)
Parking brake indicator
(
*
4
LKA indicator (
(Canada)
Parking brake indicator
(
(if equipped)
Intuitive parking assist
indicator (
*
1
Brake hold standby
indicator (
P. 256)
*
1, 5
(if equipped)
ICS OFF indicator
(
*
1
Brake hold operated
indicator (
P. 256)
(if equipped)
“BSM” indicator (
EV indicator (
(if equipped)
“RCTA” indicator
(
*
6
Security indicator
(
*
2, 3
(if equipped)
BSM outside rear view
mirror indicators
(
“READY” indicator
(
*
1, 4
Slip indicator (
*
7
Low outside temperature
indicator (
*
1, 5
VSC OFF indicator
(
*
1, 6
(U.S.A.)
“AIR BAG ON/OFF”
indicator (
*
1, 5
PCS warning light
(
*
1, 6
(Canada)
“AIR BAG ON/OFF”
indicator (
94
2. Instrument cluster
RX450h_RX450hL_U
●
Drive mode indicators
Except F SPORT models
F SPORT models
*
1
: These lights turn on when the power switch is turned to the ON mode to indicate that
a system check is being performed. They will turn off after the hybrid system is on, or
after a few seconds. There may be a malfunction in a system if a light does not come
on, or turn off. Have the vehicle inspected by your Lexus dealer.
*
2
: In order to confirm operation, the BSM outside rear view mirror indicators illuminate
in the following situations:
• When the BSM function is enabled on
of the multi-information display, the
power switch is turned to ON mode.
• When the power switch is in ON mode, the BSM function is enabled on
of the
multi-information display.
If the system is functioning correctly, the BSM outside rear view mirror indicators will
turn off after a few seconds.
If the BSM outside rear view mirror indicators do not illuminate or do not turn off,
there may be a malfunction in the system.
If this occurs, have the vehicle inspected by your Lexus dealer.
Eco drive mode indicator
(
“SPORT” indicator
(
EV drive mode indicator
(
Eco drive mode indicator
(
“SPORT S” indicator
(
“SPORT S+” indicator
(
“CUSTOMIZE” indicator
(
EV drive mode indicator
(
95
2. Instrument cluster
2
Instrument cl
uste
r
RX450h_RX450hL_U
*
3
: This light illuminates on the outside rear view mirrors.
*
4
: This light flashes to indicate that the system is operating.
*
5
: The light comes on when the system is turned off.
*
6
: This light illuminates on the center panel.
*
7
: When the outside temperature is approximately 37
F (3C) or lower, this indicator
will flash for approximately 10 seconds, then stay on.
WARNING
■
If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning lights not come on when
you start the hybrid system, this could mean that these systems are not available to help
protect you in an accident, which could result in death or serious injury. Have the vehi-
cle inspected by your Lexus dealer immediately if this occurs.
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