2020 LEXUS NX300h Owners Manual

3857-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
7
When trouble arises
 Vehicle pulls heavily to one side
when driving on a level road
 Loss of brake effectiveness, spongy
feeling, pedal almost touches the
floor

3867-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
■Brake system warning light (warning buzzer)
■Charging system warning light*
*: This light illuminates on the multi-information display.
■Output control warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
If a warning light turns on or a warning buzzer sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, bu t then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
(U.S.A.)
(Red)
(Canada)
Indicates that:
 The brake fluid level is low; or
 The brake system is malfunctioning
 Immediately stop the vehicl e in a safe place and con-
tact your Lexus dealer. Continuing to drive the vehicle
may be dangerous.
Warning lightDetails/Actions
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicl e in a safe place and con-
tact your Lexus dealer. Continuing to drive the vehicle
may be dangerous.
Warning lightDetails/Actions
Indicates the hybrid system has overheated
 Stop the vehicle in a safe place. Handling method
( P.418)

3877-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
7
When trouble arises
■Low engine oil pressure warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
■High coolant temperature warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
■Brake system warning light
■Malfunction indicator lamp
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
 Immediately stop the vehicl e in a safe place and con-
tact your Lexus dealer. Continuing to drive the vehicle
may be dangerous.
Warning lightDetails/Actions
Indicates that the engine is overheating
 Immediately stop the vehicle in a safe place. Continu-
ing to drive the vehicle may be dangerous.
Handling method ( P.416)
Warning lightDetails/Actions
(Yellow)
Indicates a malfunction in:
The regenerative braking system;
 The electronically controlled brake system; or
 The electric parking brake
 Have the vehicle inspected by your Lexus dealer
immediately.
Warning lightDetails/Actions
(U.S.A.)
(Canada)
Indicates a malfunction in:
 The hybrid system;
 The electronic engine control system;
 The electronic throttle control system; or
 The emission control system
 Have the vehicle inspected by your Lexus dealer
immediately.

3887-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
■SRS warning light
■ABS warning light
■Electric power steering system warning light (warning buzzer)
Warning lightDetails/Actions
Indicates a malfunction in:
The SRS airbag system;
 The front passenger occupant classification system; or
 The seat belt pretensioner system
 Have the vehicle inspected by your Lexus dealer
immediately.
Warning lightDetails/Actions
(U.S.A.)
(Canada)
Indicates a malfunction in:
 The ABS; or
 The brake assist system
 Have the vehicle inspected by your Lexus dealer
immediately.
Warning lightDetails/Actions
(Yellow)
(Red)
Indicates a malfunction in the EPS (Electric Power Steer-
ing) system
 Have the vehicle inspected by your Lexus dealer
immediately.

3897-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
7
When trouble arises
■PCS warning light
■LTA indicator* (warning buzzer)
*: This light illuminates on the multi-information display.
■LDA indicator* (warning buzzer)
*: This light illuminates on the multi-information display.
Warning lightDetails/Actions
(Flashes or illuminates)
When a buzzer sounds simultaneously: Indicates a mal-
function has occurred in the PCS (Pre-Collision System).
 Have the vehicle inspected by your Lexus dealer
immediately.
When a buzzer does not sound: The PCS (Pre-Collision
System) has become temporarily unavailable, corrective
action may be necessary.
 Follow the instructions displayed on the multi-informa-
tion display. ( P.208, 396)
If the PCS (Pre-Collision System) or VSC (Vehicle Stability
Control) system is disabled, the PCS warning light will illu-
minate.
 P.216
Warning lightDetails/Actions
(Orange)
(If equipped)
Indicates a malfunction in the LTA (Lane Tracing Assist)
 Follow the instructions displayed on the multi-informa-
tion display. ( P.225)
Warning lightDetails/Actions
(Orange)
(If equipped)
Indicates a malfunction in the LDA (Lane Departure Alert
with steering control)
 Follow the instructions displayed on the multi-informa-
tion display. ( P.233)

3907-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
■PKSB OFF indicator (warning buzzer)
■Slip indicator light
■Brake hold operated indicator
■Parking brake indicator
Warning lightDetails/Actions
(Flashes)
When a buzzer sounds: Indicates a malfunction in the PKSB
(Parking Support Brake) system
Have the vehicle inspected by your Lexus dealer
immediately.
When a buzzer does not sound:
Indicates that the system is temporarily unavailable, possi-
bly due to a sensor being dirty or covered with ice, etc.
 Clear the dirt, etc.
Warning lightDetails/Actions
Indicates a malfunction in:
The VSC system;
 The TRAC system; or
 The hill-start assist control system
The light will flash when the ABS, VSC or TRAC system is
operating.
 Have the vehicle inspected by your Lexus dealer
immediately.
Warning lightDetails/Actions
(Flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer
immediately.
Warning lightDetails/Actions
(Flashes)
(U.S.A.)
(Flashes)
(Canada)
It is possible that the parking brake is not fully engaged or
released
 Operate the parking brake switch once again.
This light comes on when the parking brake is not released.
If the light turns off after the parking brake is fully released,
the system is operating normally.

3917-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
7
When trouble arises
■Low fuel level warning light
■Driver’s and front passenger’s seat belt reminder light (warning buzzer*)
*: Driver’s and front passenger’s seat belt warning buzzer:
The driver’s seat belt warning buzzer sounds to alert the driver that hi s or her seat belt is
not fastened. Once the power switch is turned to IGNITION ON mode, the buzzer
sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer
sounds once. If the seat belt is still unfast ened after 24 seconds, the buzzer will sound
intermittently for 6 seconds. Th en, if the seat belt is still unfastened, the buzzer will sound
in a different tone for 90 more seconds.
The front passenger’s seat belt warning buzzer sounds to alert the front passenger that
his or her seat belt is not fastened. The buzzer sounds once if the vehicle reaches a speed
of 12 mph (20 km/h). If the se at belt is still unfastened after 24 seco nds, the buzzer will
sound intermittently for 6 seconds. Then, if the seat belt is still unfastened, the buzzer will
sound in a different tone for 90 more seconds.
■Rear passengers’ seat belt reminder light*1 (warning buzzer*2)
*1: This light illuminates on the center panel.
*2: Rear passengers’ seat belt warning buzzer: The rear passengers’ seat belt warning buzzer sounds to alert the rear passengers that
his or her seat belt is not fastened. The buzzer sounds for 6 seconds after the vehicle
reaches a speed of 12 mph (20 km/h). Then, if the seat belt is still unfastened, the buzzer
will sound in a different tone for 24 more seconds.
Warning lightDetails/Actions
Indicates that remain ing fuel is approximately 2.2 gal. (8.4
L, 1.8 Imp.gal.) or less
 Refuel the vehicle.
Warning lightDetails/Actions
Warns the driver and/or front pa ssenger to fasten their seat
belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front pas-
senger’s seat belt also need s to be fastened to make
the warning light (warning buzzer) turn off.
Warning lightDetails/Actions
Warns the rear passengers to fasten their seat belts
 Fasten the seat belt.

3927-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
■Master warning light (warning buzzer)
■Tire pressure warning light
Warning lightDetails/Actions
A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.
 P.396
Warning lightDetails/Actions
When the light comes on:
Low tire inflation pressure such as
Natural causes ( P.394)
 Flat tire ( P.400)
 Adjust the tire inflation pressure to the specified level.
The light will turn off after a few minutes. In case the
light does not turn off even if the tire inflation pressure
is adjusted, have the syst em checked by your Lexus
dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system ( P.394)
 Have the system checked by your Lexus dealer.