2018 Lexus LC500h warning light

3226-3. Do-it-yourself maintenance
LC500_LC500h_OM_OM11405U_(U)
Type DNormal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure that the
tab is installed securely.
●If the lights do not turn on even after the
fuse has been replaced, a bulb may need
replacement. ( P.324)
●If the replaced fuse blows again, have the
vehicle inspected by your Lexus dealer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting
the wiring harness from damage.
■When replacing light bulbs
Lexus recommends that you use genuine
Lexus products designed for this vehicle.
Because certain bulbs are connected to cir-
cuits designed to prevent overload, non-
genuine parts or parts not designed for this
vehicle may be unusable.
WARNING
■To prevent system breakdowns and
vehicle fire
Observe the following precautions.
Failure to do so may cause damage to
the vehicle, and possibly a fire or injury.
●Never use a fuse of a higher amperage
rating than that indicated, or use any
other object in place of a fuse.
A
B
●Always use a genuine Lexus fuse or
equivalent.
Never replace a fuse with a wire, even
as a temporary fix.
●Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload
determined and repaired by your Lexus
dealer as soon as possible.

3246-3. Do-it-yourself maintenance
LC500_LC500h_OM_OM11405U_(U)
■LED lights
The following lights consist of a number of
LEDs. If any of the LEDs burn out, take your
vehicle to your Lexus dealer to have the
light replaced.
●Headlights
●Parking lights and daytime running lights
●Front side marker lights
●Front turn signal lights
●Cornering lights
●Side turn signal lights
●Tail lights
●Stop lights
●Rear side marker lights
●Rear turn signal lights
●Back-up lights
●High mounted stoplight
●License plate lights
■Condensation build-up on the inside of
the lens
Temporary condensation build-up on the
inside of the headlight lens does not indi-
cate a malfunction. Contact your Lexus
dealer for more information in the following
situations:
●Large drops of water ha ve built up on the
inside of the lens.
●Water has built up inside the headlight.
Light bulbs
If any lights burn out, have it
replaced by your Lexus dealer.
WARNING
■Handling lights
Do not touch the lights while they are on
or immediately after they have been
turned off. Doing so may result in burns.

325
LC500_LC500h_OM_OM11405U_(U)
7
7
When trouble arises
When trouble arises
7-1. Essential informationEmergency flashers.................. 326
If your vehicle has to be stopped in an emergency .......................... 326
7-2. Steps to take in an emergency If your vehicle needs to be towed........................................................ 328
If you think something is wrong ........................................................ 332
Fuel pump shut off system (LC500).................................... 333
If a warning light turns on or a warning buzzer sounds ....... 334
If a warning message is displayed ........................................................ 344
If you have a flat tire.................. 350
If the engine will not start (LC500)..................................... 351
If the hybrid system will not start (LC500h) ................................. 352
If you lose your keys ................. 354
If the fuel filler door cannot be opened........................................ 354
If the electronic key does not operate properly .................... 355
If the 12-volt battery is discharged ........................................................ 357
If your vehicle overheats (LC500).................................... 364
If your vehicle overheats (LC500h) ................................. 366
If the vehicle becomes stuck 370

3347-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)
■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 lightWarning light/Details/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.
Warning lightWarning light/Details/Actions
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning lightWarning light/Details/Actions
Indicates that the engine oil pressure is too low
 Immediately stop the vehicle in a safe place and contact your Lexus
dealer.

3357-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)
7
When trouble arises
■Malfunction indicator lamp (warning buzzer)
■SRS warning light
■ABS warning light (warning buzzer)
■Electric power steering system warning light (warning buzzer)
Warning lightWarning light/Details/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 lightWarning light/Details/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 lightWarning light/Details/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 lightWarning light/Details/Actions
(red)
or
(yellow)Indicates a malfunction in the EPS (Electric Power Steering) system
 Have the vehicle inspected by your Lexus dealer immediately.

3367-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)
■PCS warning light
■LKA (Lane-Keeping Assist) indicator*
*: This light illuminates on the multi-information display.
Warning lightWarning light/Details/Actions
(yellow)
When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS (Pre-Collision System)
 Have the vehicle inspected by your Lexus dealer immediately.
When the warning light flashes (and a buzzer does not sound):
Indicates that the PCS (Pre-Collisi on System) is temporarily unavail-
able, possibly due to either of the following:
 An area around the radar sensor or camera sensor being dirty or cov-
ered with condensation , ice, stickers, etc.
 Clear the dirt, condensation, ice, stickers, etc. ( P.179)
 Radar sensor or camera sensor oper ational conditions (such as tem-
perature etc.) being not met.
 Driving is possible in this case. The PCS (Pre-Collision System) will
be enabled if the operational cond itions (such as temperature etc.)
are met again.
When the warning light is illuminated:
Either the VSC (Vehicle Stability Control) system or PCS (Pre-Collision
System) is disabled or both are disabled.
 To enable the PCS, enable bo th the VSC system and PCS.
(  P.186, 228)
Warning lightWarning light/Details/Actions
Indicates a malfunction in th e LKA (Lane-Keeping Assist)
 When “Lane Keeping Assist Unavaila ble” 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.193)
When a message other than above is displayed, follow the instruc-
tions displayed in the message.

3377-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)
7
When trouble arises
■Slip indicator
■Brake Override System warning light/Drive-Start Control warning light
(warning buzzer)*
*: This light illuminates on the multi-information display.
■Brake hold operated indicator
Warning lightWarning light/Details/Actions
Indicates a malfunction in:
 The VSC (Vehicle Stability Control) system;
 The TRAC (Traction Control) system; or
 The hill-start assist control system
The light will flash when the VSC, TRAC or ABS system is operating.
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details/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 lightWarning light/Details/Actions
(flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer.

3387-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)
■Parking brake indicator
■Brake pad wear warning light (warning buzzer)*
*: This light illuminates on the multi-information display.
■Brake system warning light
■Low fuel level warning light
Warning lightWarning light/Details/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.
Warning lightWarning light/Details/Actions
(U.S.A.)
or
(Canada)Indicates that the brake pads are worn out
 Have the vehicle inspected by your Lexus dealer.
Warning lightWarning light/Details/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 lightWarning light/Details/Actions
Indicates that remaining fuel is approximately 3.3 gal. [12.6 L, 2.8
Imp.gal.] or less
 Refuel the vehicle.