2021 Lexus LC500 Owner's Manual / LEXUS 2021 LC500,LC500H OWNER'S MANUAL (OM11559U)

3457-2. Steps to take in an emergency
7
When trouble arises
Fluid leaks under the vehicle. (Water
dripping from the air conditioning
after use is normal.)
 Flat-looking tires or uneven tire
wear
 Engine coolant temperature gauge
continually points higher than nor-
mal.
 Changes in exhaust sound
 Excessive tire squeal when corner-
ing
 Strange noises related to the sus-
pension system
 Pinging or other noises related to
the engine
 Engine missing, stumbling or run-
ning roughly
 Appreciable loss of power
 Vehicle pulls heavily to one side
when braking 
Vehicle pulls heavily to one side
when driving on a level road
 Loss of brake effectiveness, spongy
feeling, pedal almost touches the
floor
If you think something is
wrong
If you notice any of the following
symptoms, your vehicle probably
needs adjustment or repair. Con-
tact your Lexus dealer as soon as
possible.
Visible symptoms
Audible symptoms
Operational symptoms

3467-2. Steps to take in an emergency
Follow the procedure below to restart
the engine after the system is activated.
1Turn the engine switch to ACCES-
SORY mode or turn it off.
2 Restart the engine.
Fuel pump shut off system
(LC500)
To minimize the risk of fuel leakage
when the engine stalls or when an
airbag inflates upon collision, the
fuel pump shut off system stops the
supply of fuel to the engine.
Restarting the engine
NOTICE
■Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked onto the
ground, the fuel system has been dam-
aged and is in need of repair. Do not
restart the engine.

3477-2. Steps to take in an emergency
7
When trouble arises
■Brake system warning light (warning buzzer)
■Charging system warning light*
*: This light illuminates on the multi-information display.
■Low engine oil pressure 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
This light also comes on when the pa rking brake is not released. If the
light turns off after the parking brake is fully released the system is oper-
ating normally.
 Immediately stop the vehicle in a safe place and contact your Lexus
dealer. Continuing to drive the vehicle may be dangerous.
 Indicates that the brake pads are worn out (only the right-side pads
can be detected)
 Have the vehicle inspected by your Lexus dealer.
Warning lightDetails/Actions
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
 Immediately stop the vehicle in a safe place and contact your Lexus
dealer.

3487-2. Steps to take in an emergency
■Malfunction indicator lamp (warning buzzer)
■SRS warning light
■ABS warning light (warning buzzer)
■Electric power steering system warning light (warning buzzer)
Warning lightDetails/Actions
(U.S.A.)
(Canada)
Indicates a malfunction in:
 The electronic engine control system;
 The hybrid system (LC500h);
 The electronic throttle control system;
 The electronic automatic transmission control system (LC500); or
 The electronic hybrid transmission control system (LC500h)
 Have the vehicle inspected by your Lexus dealer immediately.
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
(red)
or
(yellow)Indicates a malfunction in the EPS (Electric Power Steering) system
 Have the vehicle inspected by your Lexus dealer immediately.

3497-2. Steps to take in an emergency
7
When trouble arises
■PCS warning light (warning buzzer)
■LKA (Lane-Keeping Assist) indicator*
*: This light illuminates on the multi-information display.
■Slip indicator
*: Only when controlled by the VDIM system.
Warning lightDetails/Actions
(Flashes or illumi-nates)
When a buzzer sounds simultaneously:
Indicates a malfunction 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-information display.
(  P.198, 356)
If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control)
system is disabled, the PCS warning light will illuminate.
 P.206
Warning lightDetails/Actions
(orange)
Indicates a malfunction in th e LKA (Lane-Keeping Assist)
 When “Lane Keeping Assist Unavailable” is displayed on the multi-
information display, turn the LK A (Lane-Keeping Assist) system
off, drive the vehicle for a short time, and then turn the LKA (Lane-
Keeping Assist) system back on. ( P.209)
When a message other than above is displayed, follow the instruc-
tions displayed in the message.
Warning lightDetails/Actions
Indicates a malfunction in:
 The VSC (Vehicle Stability Control) system;
 The TRAC (Traction Control) system; or
 The hill-start assist control system
 Have the vehicle inspected by your Lexus dealer immediately.
The light will flash when the VSC, TRAC, ABS, VGRS
* or DRS* system
is operating.

3507-2. Steps to take in an emergency
■Brake Override System warning light/Drive-Start Control warning light
(warning buzzer)*
*: This light illuminates on the multi-information display.
■Brake hold operated indicator
■Parking brake indicator
Warning lightDetails/Actions
When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the Brake Override System or Drive-Start
Control
Have the vehicle inspected by your Lexus dealer immediately.
Indicates that the shift position wa s changed while depressing the accel-
erator pedal and Drive-Start Control was operated
 Momentarily release th e accelerator pedal.
When the warning light flashes (and a buzzer does not sound):
Indicates that the accelerator and brake pedals are being depressed
simultaneously
 Release the accelerator pedal and depress the brake pedal.
Warning lightDetails/Actions
(flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer.
Warning lightDetails/Actions
(flashes)
(U.S.A.) or
(flashes)
(Canada)
Indicates a malfunction in the parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.

3517-2. Steps to take in an emergency
7
When trouble arises
■Brake system warning light
■Low fuel level warning light
■Driver’s and front passenger’s seat belt reminder light (warning buzzer)*
*: Driver’s seat belt warning buzzer:
The driver’s seat belt warning buzzer sounds to al ert the driver that his or her seat belt is not
fastened. Once the engine switch is turned to IGNITION ON mode mode>, the buzzer sounds. If th e seat belt is still unfastened, the buzzer sounds intermit-
tently for a certain period of time af ter the vehicle reaches a certain speed.
Front passenger’s seat belt warning buzzer:
The front passenger’s seat belt warning buzzer sounds to alert the front passenger that his
or her seat belt is not fastened. If the seat belt is unfastened, the buzzer sounds intermit-
tently for a certain period of time af ter the vehicle reaches a certain speed.
■Rear passengers’ seat belt reminder lights (warning buzzer*1)*2
*1: Rear passengers’ seat belt warning buzzer:
The rear passengers’ seat belt warning buzzer sounds to alert the rear passenger that his or
Warning lightDetails/Actions
(yellow)
Indicates a malfunction in:
The electronically controlled brake system
 The regenerated braking system (LC500h)
 The parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
Indicates that remaining fuel is approximately 3.3 gal. [12.6 L, 2.8
Imp.gal.] or less
 Refuel the vehicle.
Warning lightDetails/Actions
Warns the driver and/or front passe nger to fasten their seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s seat
belt also needs 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.

3527-2. Steps to take in an emergency
her seat belt is not fastened. If the seat belt is unfastened, the buzzer sounds intermittently
for a certain period of time, af ter the seat belt is fastened and unfastened and the vehicle
reaches a certain speed.
*2: This light illuminates on the center panel.
■Master warning light (warning buzzer)
■Tire pressure warning light
■High coolant temperature warning light (warning buzzer)*
*: This light illuminates on the multi-information display.
Warning lightDetails/Actions
A buzzer sounds and the warning ligh t comes on and flashes to indicate
that the master warning system has detected a malfunction.
 P.356
Warning lightDetails/Actions
When the light comes on:
Low tire inflation pressure such as
Natural causes ( P.354)
 Flat tire ( P.362)
 Adjust the tire inflation pressure to the specified level.
The light will turn off after a few mi nutes. In case the light does not
turn off even if the tire inflation pressure is adjusted, have the sys-
tem checked by your Lexus dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
 Have the system checked by your Lexus dealer.
Warning lightDetails/Actions
Changes from a flashing to a solid light when the engine coolant tem-
perature increases
Immediately stop the vehicle in a safe place.
Handling method. ( P.376, 379)