2017 TOYOTA SEQUOIA brake light

444 4-3. Do-it-yourself maintenance
15 ECU-IG No.1 7.5 AAnti-lock brake system, vehicle sta-
bility control system, multiplex com-
munication system, intuitive
parking assist system, power front
driver’s seat, power tilt and power
telescopic, shift lock, tire pressure
warning system, accessory meter,
trailer towing, power outlet, electric
moon roof, power back door, head
light cleaner, Blind Spot Monitor
system, BSM main switch
16 AIR SUS IG 20 A Electronically modulated air sus-
pension system
17 LH-IG 7.5 A Back-up lights, charging system,
gauge and meters, turn signal
lights, air conditioning system, seat
heaters, rear window defogger
18 4WD 20 A Four-wheel drive control system
19 RR SEAT-HTR
LH 10 A Seat heaters
20 WSH 20 A Window washer
21 WIPER 30 A Wiper and washer
22 ECU-IG No.2 7.5 A Multiplex communication system,
power steering, gateway ECU
23 TAIL 15 A Tail lights, trailer lights (tail lights),
parking lights
24 A/C IG 10 A Air conditioning system
25 SEAT-HTR 20 A Seat heater or Heated and venti-
lated seats
FuseAmpereCircuit

5
When trouble arises
469
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning indicates a possible problem in the brake sys-
tem. Immediately stop the vehicl e in a safe place and contact your
Toyota dealer.
*: Parking brake engaged warning buzzer:
The buzzer sounds to indicate that parking brake is still engaged (with the
vehicle having reached a speed of 3 mph [5 km/h])
Stop the vehicle immediately.
The following warnings indicate the possibility of damage to the vehi-
cle that may lead to an accident. Immediately stop the vehicle in a
safe place and contact your Toyota dealer.
Warning lightWarning light/Details
(U.S.A.)
(Canada) Brake system warning light (warning buzzer)
*
• Low brake fluid
• Malfunction in the brake system
This light also 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 nor-
mally.
Warning lightWarning light/Details
Charging system warning light Indicates a malfunction in the vehicle’s charging sys-
tem.
Calmly perform the following actions if any of the warning lights turn
on or flash. If a light turns on or flashes, but then turns off, this does
not necessarily indicate a malfunction in the system.

470 5-2. Steps to take in an emergency
Have the vehicle inspected immediately.Failing to investigate the cause of the following warnings may lead to
the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.
Warning lightWarning light/Details
(U.S.A)
(Canada) Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transmission control sys-tem; or
• The emission control system.
SRS warning light Indicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system.
(U.S.A.)
(Canada) ABS warning light
Indicates a malfunction in:
• The ABS; or
• The brake assist system.
Slip indicator Indicates a malfunction in:
• The VSC;
• The TRAC; or
• The AUTO LSD system.
Power steering warning light Indicates a malfunction in the variable flow control
power steering system.

5
When trouble arises
477
5-2. Steps to take in an emergency
■If the tire pressure warning light frequently comes on after blinking
for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1
minute when the engine switch is turned to the ON position, have it
checked by your Toyota dealer.
■
Customization that can be co nfigured at Toyota dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features →P. 539)
CAUTION
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause loss of vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
●If the tire pressure warning light come s on even after tire inflation pres-
sure adjustment, it is pr obable that you have a flat tire. Check the tires.
If the tire is flat, change to the spare tire and have the flat tire repaired
by the nearest Toyota dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning syste m may not activate immediately.

482 5-2. Steps to take in an emergency
Indicates that the auto-
matic transmission fluid
temperature is too highA buzzer also sounds. Immediately stop the
vehicle in a safe place,
shift the shift lever to P
and wait until the light
goes off.
If the light goes off,
you may start the
vehicle again. If the
light does not go off,
contact your Toyota
dealer.
Indicates a malfunction
in the automatic trans-
mission system A buzzer also sounds. Have the system
checked by your Toy-
ota dealer.
(Flashing) Indicates that the park-
ing brake is still
engaged with the vehicle
having reached a speed
of more than 3 mph
(5 km/h).
A buzzer also sounds
intermittently. Release the parking
brake.
Indicates that the
washer fluid level is low. A buzzer also sounds. Add washer fluid.
Warning messageDetailsCorrection procedure

560
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
2WDTwo Wheel Drive
4WD Four Wheel Drive ABS Anti-Lock Brake System
ACC Accessory
AI-SHIFT Artificial Intelligence shifting ALR Automatic Locking Retractor
A-TRAC Active Traction Control
AUTO LSD Automatic Limited Slip Differential AVS Adaptive Variable Suspension System
BSM Blind Spot Monitor CRS Child Restraint System
ECU Electronic Control Unit
EDR Event Data Recorder ELR Emergency Locking RetractorFFV Flexible Fuel Vehicle
GAWR Gross Axle Weight Rating
GCWR Gross Combination Weight Rating GVWR Gross Vehicle Weight Rating I/M Emission inspection and maintenance
INFO Information
LATCH Lower Anchors and Tethers for Children LED Light Emitting Diode
LT Light truck
M + S Mud + Snow MMT Methylcyclopentadienyl Manganese Tricarbonyl
MTBE Methyl Tertiary Butyl Ether OBD On Board Diagnostics

562
Alphabetical index
Alphabetical index
A/C ..................................... 294, 303
AAC disc
*
ABS ........................................... 246
Active traction control ............. 246
Adaptive variable suspension system .................................... 238
Air conditioning filter............... 430
Air conditioning system
Air conditioning filter .............. 430
Front air conditioning system ................................ 294
Rear air conditioning system ................................ 303
Airbags Airbag operating conditions............................ 115
Airbag precautions for your child .................................... 119
Airbag warning light............... 470
Curtain shield airbag
operating conditions............ 115
Curtain shield airbag
precautions ......................... 119
Front passenger occupant classification system ........... 124
General airbag precautions ......................... 119
Locations of airbags .............. 112
Modification and disposal of
airbags ................................ 123
Proper driving
posture ........................ 110, 119
Side airbag operating conditions............................ 115
Side airbag precautions ........ 119
SRS airbags .......................... 112 Alarm......................................... 107
Antenna
*
Anti-lock brake system ........... 246
Armrest ..................................... 359
Ashtrays ................................... 345
Assist grips .............................. 362
A-TRAC ..................................... 246
Audio input ............................... 311
Audio system
A/V input port
*
Antenna*
Audio input ............................ 311
Audio visual input
*
AUX port ............................... 312
Blu-ray Disc™
*
CD player*
DVD disc*
DVD player*
iPod*
MP3/WMA/AAC disc*
Portable music player*
Radio*
Rear seat entertainment
system
*
Steering wheel audio switch*
Type ...................................... 310
USB memory
*
Audio visual input*
AUTO LSD system ................... 244
Automatic light control system .................................... 192
Automatic transmission .......................... 161
AUX port ................................... 311
Auxiliary box ............................ 338
A/V input port
*
AVS ........................................... 238
A

563
Alphabetical index
Back-up lights
Replacing light bulbs ............ 447
Wattage ................................ 522
Back door Back door ............................... 40
Back window .......................... 93
Wireless remote control.......... 31
Battery
Checking .............................. 410
If the vehicle has discharged battery ................................ 501
Preparing and checking before winter ...................... 266
Blind Spot Monitor .................. 227
Bluetooth
® audio*
Bluetooth® phone*
Bottle holder ............................ 337
Brake assist ............................. 246
Brakes Fluid...................................... 407
Parking brake ....................... 166
Break-in tips ............................ 149
BSM .......................................... 227
Card holder .............................. 323
Care Exterior ................................. 382
Interior .................................. 385
Seat belts ............................. 386
Cargo capacity ........................ 259
Cargo hooks ............................ 366
CD player
*
Chains ...................................... 266
Child restraint system Booster seats, definition ....... 129
Booster seats, installation .... 140
Convertible seats, definition............................. 129
Convertible seats, installation .......................... 139 Front passenger occupant
classification system ........... 124
Infant seats, definition ...........129
Infant seats, installation.........138
Installing CRS with LATCH system ................................135
Installing CRS with seat belts ....................................138
Installing CRS with top tether straps ........................141
Child safety
Airbag precautions ................119
Battery precautions .......411, 503
Child restraint system............129
Child-protectors .......................37
How your child should wear the seat belt ..........................75
Installing child restraints ........133
Moon roof precautions ............99
Power window lock switch.......90
Power window precautions .....92
Removed key battery precautions .........................434
Seat belt extender precautions ...........................78
Seat belt precautions ..............75
Seat heater precautions ........356
Child-protectors .........................37
Cigarette lighter .......................346
Cleaning Exterior ..................................382
Interior ...................................385
Seat belts ..............................386
Climate control seat.................357
Clock ........................................ 342
Coin holder ...............................319
Compass ...................................376
Condenser ................................407
Console box .....................320, 328
Conversation mirror ................347
B
C
*: Refer to “NAVIGATION SYSTEM OWNER’S MANUAL”.