3557-2. Steps to take in an emergency
7
When trouble arises
■Brake hold operated indicator (warning buzzer)
■Master warning light (warning buzzer)
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■Front passenger detection sensor, seat
belt reminder and warning buzzer
●If luggage is placed on the front passen-
ger seat, the front passenger detection
sensor may cause th e warning light to
flash and the warning buzzer to sound
even if a passenger is not sitting in the
seat.
●If a cushion is placed on the seat, the sen-
sor may not detect a passenger, and the
warning light may not operate properly.
■SRS warning light
This warning light system monitors the air-
bag sensor assembly, fr ont impact sensors,
side impact sensors (front door), side
impact sensors (front), side impact sensors
(rear), driver’s seat position sensor, driver’s
seat belt buckle switch, front passenger
occupant classification system (ECU and
sensors), “AIR BAG ON” indicator light,
“AIR BAG OFF” indicator light, front pas-
senger’s seat belt buc kle switch, seat belt
pretensioners, airbags, interconnecting wir-
ing and power sources.
■If the malfunction indicator lamp comes
on while driving
First check the following:
●Is the fuel tank empty? If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving
trips.
If the light does not go off even after several
trips, contact your Lexus dealer as soon as
possible.
■Electric power steering system warning
light (warning buzzer)
When the battery charge becomes insuffi-
cient or the voltage temporarily drops, the
electric power steering system warning
light may come on and the warning buzzer
may sound.
■When the tire pressure warning light
comes on
Inspect the tires to check if a tire is punc-
tured.
If a tire is punctured: P.362
If none of the tires are punctured:
Turn the engine switch off then turn it to
IGNITION ON mode. Check if the tire
pressure warning light comes on or blinks.
Warning lightDetails/Actions
(flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer immediately.
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.358
440Alphabetical index
W
Warning buzzersABS ................................................................. 350
Airbags ........................................................... 349
Approach warning......................................193
Brake hold.....................................................355
Brake Override System ........................ 350
Brake system ...............................................348
Charging system ....................................... 349
Downshifting ........................................144, 144
Drive-Start Control ................................. 350
Electric power steering ......................... 350
Engine ............................................................. 349
High coolant temperature ....................348
Intuitive parking assist......................211, 352
Low engine oil pressure......................... 349
LTA (Lane Tracing Assist)..........176, 352
Open door.............................................. 90, 92
Open hood...................................................... 92
Open trunk ...................................................... 92
Open window ................................................ 119
PKSA (Parking Support Alert) ...........205
PKSB (Parking Support Brake) .........353
Pre-collision braking..................................169
RCD (Rear Camera Detection) ........ 353
RCTA (Rear Cross Traffic Alert) ...... 353
Seat belt ............................................................351
Warning lights............................................... 348 ABS ................................................................. 350
Brake hold operated indicator ...........355
Brake Override System ........................ 350
Brake system ...............................................348
Charging system ....................................... 349
Drive-Start Control ................................. 350
Electric power steering ......................... 350
High coolant temperature ....................348
Intuitive parking assist OFF indicator352
Low engine oil pressure......................... 349
Low fuel level .................................................351
LTA indicator ............................................... 352
Malfunction indicator lamp................... 349 Master warning light................................ 355
Parking brake indicator ..........................354
PKSB OFF indicator ................................353
Pre-collision system..................................354
RCD OFF indicator..................................353
RCTA OFF indicator ...............................353
Seat belt reminder light............................ 351
Slip indicator .................................................354
SRS ....................................................................349
Tire pressure ................................................352
Warning messages .....................................358
Washer ............................................................. 155 Checking ........................................................ 315
Preparing and checking before winter..........................................................................240
Switch................................................................ 155
Washing and waxing.................................. 296
Weight Cargo capacity ............................................ 135
Load limits ...................................................... 135
Weight.............................................................382
Wheel lock key............................................. 363
Wheels ............................................................. 327
Size ....................................................................387
Window lock switch ...................................... 119
Windows ............................................................ 118 Power windows ............................................. 118
Rear window defogger........................... 252
Washer ............................................................ 155
Windshield wiper de-icer ........................ 255
Windshield wipers ....................................... 155 Position............................................................. 159
Rain-sensing windshield wipers .......... 155
Winter driving tips....................................... 240
Wireless charger ........................................... 271
Wireless remote control ............................. 87 Battery-Saving Function............................ 101
Locking/Unlocking ..................................... 87
Replacing the battery .............................. 330
