2009 TOYOTA SEQUOIA brake light

492 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
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
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

518
5-2. Steps to take in an emergency
If a war ning light tur ns on or a war ning 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 vehicle 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 li
ght (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.

5
When trouble arises
519
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
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.
(Flashing) and VSC OFF and slip indicators
Indicates a malfunction in:
• The VSC;
• The TRAC; or
• The AUTO LSD system.

524 5-2. Steps to take in an emergency
●If a radio set at similar frequencies is in use in the vehicle.
●If a window tint that affects the radio wave signals is installed.
●If there is a lot of snow or ice on the vehicle, in particular around the
wheels or wheel housings.
●If non-genuine Toyota wheels are used. (Even if you use Toyota
wheels, the tire pressu re warning system may not work properly with
some types of tires.)
●If tire chains are used.
■If the tire pressure warning light comes on after blinking for 1
minute frequently
If the tire pressure warning light comes on after blinking for 1 minute fre-
quently when the engine switch is turned to the ON position, have it
checked by your Toyota dealer.
■ After changing the engine oil (U.S.A. only)
Make sure to reset the oil maintenance data. ( P. 455)
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 584)
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 re sult 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 comes 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.

530 5-2. Steps to take in an emergency
Indicates that the fuel
level is low.A buzzer also sounds
and the low fuel level
warning light comes on. Fill up the tank as soon
as possible.
(if equipped) Indicates that the laser
radar sensor is dirty or
covered with ice.
A buzzer also sounds. Clean the sensor.
(if equipped) Indicates that the
dynamic laser cruise
control system is unable
to judge vehicle-to-vehi-
cle distance.
A buzzer also sounds. If the windshield wipers
are on, turn them off or
set them to either the
intermittent.
(Flashing)
(if equipped) Indicates that your vehi-
cle is nearing the vehicle
ahead (in vehicle-to-
vehicle distance control
mode).
Slow the vehicle by
applying the brakes.
(if equipped) (Flashing) Indicates that the
dynamic laser cruise
control system is mal-
function.
A buzzer also sounds. Press the ON-OFF but-
ton to turn the cruise
control system off. And
then turn the system
on again.
Warning messageDetailsCorrection procedure

596
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
CRS Child Restraint System
ECU Electronic Control Unit
EDR Event Data Recorder ELR Emergency Locking Retractor
FFV 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 DiodeLT Light truck
M + S Mud + Snow MMT Methylcy clopentadienyl Manganese Tricarbonyl
MTBE Methyl Tertiary Butyl Ether
OBD On Board Diagnostics
PWR Power

598
Alphabetical index
Alphabetical index
A/C ..................................... 260, 268
ABS ........................................... 221
Active traction control ............. 221
Adaptive variable suspension system .................................... 213
Air conditioning filter............... 479
Air conditioning system Air conditioning filter .............. 479
Front air conditioning system ................................ 260
Rear air conditioning system ................................ 268
Airbags
Airbag operating conditions............................ 110
Airbag precautions for your
child .................................... 114
Airbag warning light............... 519
Curtain shield airbag operating conditions............................ 110
Curtain shield airbag precautions ......................... 114
Front passenger occupant classification system ........... 120
General airbag
precautions ......................... 114
Locations of airbags .............. 107
Modification and disposal of airbags ................................ 118
Proper driving posture ........................ 105, 114
Side airbag operating conditions............................ 110
Side airbag precautions ........ 114
SRS airbags .......................... 107
Alarm ......................................... 102
Antenna..................................... 282
Anti-lock brake system............ 221
Armrest ..................................... 413
Ashtrays.................................... 399
A-TRAC ..................................... 221
Audio input ............................... 303 Audio system
A/V input adapter .................. 328
Antenna................................. 282
Audio input ............................ 303
Audio visual input .................. 328
AUX adapter ......................... 303
CD player/changer ................ 285
DVD player............................ 314
MP3/WMA disc ..................... 292
Optimal use ........................... 301
Portable music player ........... 303
Radio..................................... 279
Rear seat entertainment system ................................ 307
Steering wheel audio switch.................................. 305
Type ...................................... 276
Audio visual input.................... 328
AUTO LSD system ................... 219
Automatic light control system .................................... 181
Automatic
transmission .......................... 154
AUX adapter ............................. 303
Auxiliary box ........................... 392
A/V input adapter ..................... 328
AVS ........................................... 213
Back-up lights Replacing light bulbs ............. 495
Wattage................................. 568
Back door Back door ................................ 42
Wireless remote control .......... 33
Back window ........................... 90
Battery Checking ............................... 462
If the vehicle has discharged
battery................................. 546
Preparing and checking before
winter .................................. 237
Bluetooth
................................ 342
Bottle holder............................. 391
A
B

599
Alphabetical index
Brakes
Fluid...................................... 458
Parking brake ....................... 159
Brake assist ............................. 221
Break-in tips ............................ 143
Card holder .............................. 379
Care Exterior ................................. 434
Interior .................................. 436
Seat belts ............................. 437
Cargo capacity ........................ 236
Cargo hooks ............................ 419
CD changer .............................. 285
CD player ................................. 285
Chains ...................................... 237
Child restraint system Booster seats, definition ....... 125
Booster seats, installation .... 135
Convertible seats, definition............................. 125
Convertible seats,
installation .......................... 134
Front passenger occupant classification system .......... 120
Infant seats, definition .......... 125
Infant seats, installation ........ 133
Installing CRS with LATCH system................................ 130
Installing CRS with seat belts ................................... 133
Installing CRS with top tether straps ....................... 136
Child safety
Airbag precautions ............... 114
Battery precautions ...... 463, 548
Child restraint system ........... 125
Child-protectors ...................... 38
How your child should wear the seat belt ......................... 73
Installing child restraints ....... 129
Moon roof precautions............ 94
Power window lock switch ...... 88 Power window precautions .....89
Removed key battery
precautions .........................483
Seat belt extender precautions ...........................75
Seat belt precautions ..............74
Seat heater precautions ........410
Child-protectors .........................38
Cigarette lighter .......................400
Cleaning Exterior ..................................434
Interior ...................................436
Seat belts ..............................437
Climate control seat.................411
Clock ........................................ 396
Coin holder ...............................377
Compass ...................................428
Condenser ................................458
Console box .....................377, 382
Conversation mirror ................401
Cooling system
Engine overheating ...............550
CRS ...........................................125
Cruise control
Cruise control ........................188
Dynamic radar cruise control .................................191
Cup holders ..............................386
Curtain shield airbags .............107
Customizable features.............584
Daytime running light system ....................................181
Defogger
Rear window .........................272
Side mirrors ...........................272
Dimension.................................556
Dinghy towing ..........................257
Display Trip information .....................171
Warning message .................527
Do-it-yourself main tenance.....445
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