2009 TOYOTA TUNDRA brake light

5
When trouble arises
545
5-2. Steps to take in an emergency
If a war ning light turns 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.

546 5-2. Steps to take in an emergency
*1: Vehicles without tachometer
*2: The light may come on when the oil level is extremely low. It is not designedto indicate low oil level, and the oil level must be checked using the engine
oil level dipstick.
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
*1Low engine oil pressure warning light
Indicates that the engine oil pressure is too low*2.
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.

5
When trouble arises
551
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. 483)
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked front passenger’s seat belt reminder buzzer can be
disabled. (Customizable features P. 633)
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 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.

5
When trouble arises
555
5-2. Steps to take in an emergency
Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light turns off.
Warning messageDetailsCorrection procedure
Indicates that one or
more of the doors is not
fully closed. The system also indi-
cates which doors are
not fully closed.
flashes and a
buzzer sounds to indi-
cate that one or more of
the doors is not fully
closed (with the vehicle
having reached a speed
of 3 mph [5 km/h]).
Open door warning light
also comes on. Make sure that all of
the doors are closed.
(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.

654
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 CAL Calibration
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

656
Alphabetical index
Alphabetical index
A/C ..................................... 276, 285
ABS ........................................... 230
Accessory meter ...................... 204
Active traction control system .................................... 230
Air conditioning filter............... 507
Air conditioning system Air conditioning filter .............. 507
Automatic air conditioning system ................................ 276
Manual air conditioning system ................................ 285
Airbags
Airbag operating conditions............................ 118
Airbag precautions for your
child .................................... 123
Airbag warning light............... 546
Curtain shield airbag operating conditions............ 119
Curtain shield airbag precautions ......................... 125
Front passenger occupant classification system ........... 131
General airbag
precautions ......................... 122
Locations of airbags .............. 115
Modification and disposal of airbags ............................ 126
Passenger airbag off switch .......................... 127, 146
Proper driving posture ........................ 113, 122
Roll sensing of curtain shield airbag off switch .................. 129
Side airbag operating conditions............................ 119
Side airbag precautions ........ 124
SRS airbags .......................... 115
Alarm ......................................... 110
Antenna..................................... 304
Anti-lock brake system ABS warning light .................. 546 Anti-lock brake system .......... 230
Armrest ..................................... 444
Ashtray ..................................... 429
Audio input ............................... 325
Audio remote controls ............ 327
Audio system A/V input adapter .................. 350
Antenna................................. 304
Audio input ............................ 325
Audio visual input .................. 350
AUX adapter ......................... 325
CD player/changer ................ 307
DVD player............................ 336
MP3/WMA disc ..................... 314
Optimal use ........................... 323
Portable music player ........... 325
Radio..................................... 301
Rear seat entertainment system ................................ 329
Steering wheel audio switch.................................. 327
Type ...................................... 298
Audio visual input.................... 350
AUTO LSD system ................... 227
Automatic light control system .................................... 208
Automatic transmission Automatic transmission ......... 180
If the shift lever cannot be
shifted from P ..................... 577
TOW/HAUL switch ................ 183
AUX adapter ............................. 325
Auxiliary boxes ....................... 419
A/V input adapter ..................... 350
Back-up lights Replacing light bulbs ............. 528
Wattage................................. 617
Back window Back window ........................... 96
Power back window ................ 97
Back window defogger............ 295A
B

657
Alphabetical index
Battery
Charging system warning
light .................................... 545
Checking .............................. 489
If the vehicle has discharged battery ............. 581
Preparing and checking before winter ...................... 246
Bluetooth
............................... 364
Bottle holders .......................... 417
Brakes Brake system warning buzzer ........................ 228, 233
Brake system warning
light .................................... 545
Fluid...................................... 486
Parking brake ....................... 186
Brake assist ............................. 230
Break-in tips ............................ 169
Camper information ................ 641
Card holder .............................. 403
Care Exterior ................................. 460
Interior .................................. 462
Seat belts ............................. 463
Cargo capacity ........................ 244
Cargo hooks ............................ 448
Cargo lamp Replacing light bulbs ............ 529
Switch ................................... 397
Wattage ................................ 617
CD changer .............................. 307
CD player ................................. 307
Certification label ............ 258, 603
Chains ...................................... 247
Child restraint system Booster seats, definition ....... 138
Booster seats, installation .... 155
Convertible seats, definition............................. 138
Convertible seats, installation .......................... 154 Front passenger occupant
classification system ........... 131
Infant seats, definition ...........138
Infant seats, installation.........153
Installing CRS with lower anchorages .........147, 150, 151
Installing CRS with seat belts ....................................153
Installing CRS with top tether straps ........156, 158, 162
Passenger airbag off
switch .......................... 127, 146
Child safety Airbag precautions ................122
Battery precautions .......490, 583
Child restraint system............138
Child-protectors .......................49
How your child should wear
the seat belt ..........................80
Installing child restraints ........144
Moon roof precautions ..........102
Power window lock switch.......95
Power window precautions .....95
Removed wireless
remote control battery
precautions .........................511
Seat belt extender precautions ...........................82
Seat belt precautions ..............81
Seat heater precautions ........443
Child-protectors .........................49
Cigarette lighter .......................431
Cleaning Exterior ..................................460
Interior ...................................462
Seat belts ..............................463
Clock ........................................ 426
Compass ...................................455
Condenser ................................486
Console box .............................401
Cooling system Engine overheating ...............585
CRS ...........................................138
C

659
Alphabetical index
Preparing and checking
before winter ...................... 246
Warning light ........................ 546
Engine oil maintenance data ........................................ 483
Engine switch .......................... 177
Event data recorder ................ 543
FFV ................................... 103, 618
Flex-fuel ........................... 103, 618
Flexible fuel vehicle ........ 103, 618
Floor mat .................................. 446
Fluid Brake .................................... 486
Washer ................................. 492
Fog lights
Replacing light bulbs ............ 527
Switch ................................... 210
Wattage ................................ 617
Four-wheel drive system ........ 223
Front fog lights Replacing light bulbs ............ 527
Switch ................................... 210
Wattage ................................ 617
Front passenger occupant
classification system............ 131
Front passenger’s seat belt reminder light ........................ 547
Front passenger’s seat belt warning buzzer.............. 547, 549
Front seats
Adjustment ............................. 58
Front side marker lights Replacing light bulbs ............ 526
Switch ................................... 207
Wattage ................................ 617
Front turn signal lights
Replacing light bulbs ............ 525
Switch ................................... 185
Wattage ................................ 617
Fuel Capacity ............................... 606
Fuel gauge ........................... 188 Fuel pump shut off system ....542
Gas station information .........672
Information ............................618
Refueling ...............................103
Type ......................................606
Warning light .........................548
Warning message .................556
Fuel door...................................103
Fuel filler door ..........................103
Fuel pump shut off system .....542
Fuses.........................................512
Garage door opener.................450
Gas station information...........672
Gauges ......................................188
Glove box..................................400
Hands-free system
(for cellular phone) ................360
Hazard lights switch ................534
Head restraints Adjusting ................................71
Headlights Replacing light bulbs .....523, 524
Switch....................................207
Wattage .................................617
High mounted stoplight
Replacing ..............................529
Wattage .................................617
Heaters
Seat heaters ..........................442
Side mirror.....................293, 295
Hood ..........................................475
Hooks
Cargo net ..............................448
Deck hooks ...........................447
Shopping bag ........................448
Horn...........................................187
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