2010 TOYOTA 4RUNNER brake light

506 4-3. Do-it-yourself maintenance
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■Brake fluid can absorb moisture from the air
Excess moisture in the brake fluid can cause a dangerous loss of braking
efficiency. Use only newly opened brake fluid.
CAUTION
■When filling the reservoir
Take care as brake fluid can harm your hands and eyes and damage painted
surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with clean
water immediately.
If you still experience discomfort, see a doctor.
NOTICE
■If the fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads
wear out or when the fluid level in the accumulator is high.
If the reservoir needs frequent refilling, there may be a serious proble\
m.

5
When trouble arises
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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:
A buzzer will sound if the vehicle is driven at a speed of approximately 3 mph (5 km/h) or more.
Warning lightWarning light/Details
(type A)
(type B)
(type C) 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 normally.
Calmly perform the following actio ns if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then goes
off, this does not necessarily indicate a malfunction in the system.
However, if this continues to o ccur, have the vehicle inspected by
your Toyota dealer.

5
When trouble arises
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5-2. Steps to take in an emergency
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Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light goes off.
Warning lightWarning light/Details
(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 system;
• The TRAC (TRC) system;
• The active traction control system;
• The AUTO LSD system;
• The downhill assist control system;
• The hill-start assist control system; or
• The Crawl Control system
Power steering warning light Indicates a malfunction in the power steering system
Unengaged “Park” warning light (if equipped) Indicates a malfunction in the transmission “Park” mech-
anism.
KDSS warning light (if equipped) Indicates a malfunction in KDSS
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door is not
fully closed Check that all the doors are
closed.

5
When trouble arises
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5-2. Steps to take in an emergency
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CAUTION
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause a 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 a tire is flat, change it with th e 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
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5-2. Steps to take in an emergency
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Emergency start function (vehicles with a smart key system)
When the engine does not start, the following steps can be used as
an interim measure to start the engine if the “ENGINE START STOP”
switch is functioning normally: Set the parking brake.
Shift the shift lever to P.
Turn the “ENGINE START STOP” switch to ACCESSORY
mode.
Press and hold the “ENGINE START STOP” switch for about
15 seconds while depressing the brake pedal firmly.
Even if the engine can be start ed using the above steps, the system
may be malfunctioning. Have the vehicle inspected by your Toyota
dealer.
■ The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem:
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 598)
● There may be a malfunction in the steering lock system. (vehi-
cles with a smart key system)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP 1
STEP 2
STEP 3
STEP 4

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Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
2WD 2 Wheel Drive
4WD 4 Wheel Drive
ABS Anti-lock Brake System
ACC Accessory
AI-SHIFT Artificial Intelligence Shift control
ALR Automatic Locking Retractor
A-TRAC Active traction control system
AUTO LSD Automatic Limited Slip Differential
AUX Auxiliary
CRS Child Restraint System
DAC Downhill assist control system
ECU Electronic Control Unit
EDR Event Data Recorder
ELR Emergency Locking Retractor
GAWR Gross Axle Weight Rating
GCWR Gross Combination Weight Rating
GVWR Gross Vehicle Weight Rating
I/M Emission Inspection and Maintenance
KDSS Kinetic Dynamic Suspension System
LATCH Lower Anchors and Tethers for Children
LED Light Emitting Diode
LSD Limited Slip Differential
MAX Maximum
MIN Minimum
MMT Methylcy clopentadienyl Manganese Tricarbonyl
M+S Mud and Snow
MTBE Methyl Tertiary Butyl Ether

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Alphabetical index
Alphabetical index
A/C .....................................296, 302
ABS ...........................................253
Accessory meter ......................194
Active head restraints ............... 62
Active traction control ............. 230
Air conditioning filter............... 526
Air conditioning systemAir conditioning filter ..............526
Automatic air conditioning
system ................................302
Manual air conditioning system ................................296
Airbags Airbag operating conditions...117
Airbag precautions for your child .................................... 121
Airbag warning light............... 566
Curtain shield airbag operating conditions............117
Curtain shield airbag precautions .........................121
Front passenger occupant classification system ...........129
General airbag precautions ...121
Locations of airbags ..............114
Modification and disposal of airbags ............................ 126
Proper driving posture ...112, 121
Roll sensing of curtain shield airbags off switch ................127
Side airbag operating conditions............................ 117
Side airbag precautions ........ 121
SRS airbags .......................... 114 Alarm......................................... 109
Antenna .................................... 321
Anti-lock brake system ........... 253
Armrest ..................................... 448
Audio input ............................... 360
Audio remote controls ............ 361
Audio system
Antenna................................. 321
Audio input ............................ 360
AUX adapter ......................... 360
CD player/changer ................ 324
iPod
®..................................... 341
MP3/WMA disc ..................... 333
Optimal use ........................... 355
Portable music player ........... 360
Radio..................................... 317
Steering wheel audio switch.................................. 361
Type ...................................... 313
USB memory......................... 348
AUTO LSD system ................... 232
Automatic air conditioning
system .................................... 302
Automatic light control
system .................................... 198
Automatic transmission Automatic transmission ......... 173
If the shift lever cannot be
shifted from P ..................... 592
S mode.................................. 176
AUX adapter ............................. 360
Auxiliary box ............................ 422
A

653
Alphabetical index
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Back door
Back door ............................... 56
Back window .......................... 94
Smart key system ... ................ 33
Wireless remote control.......... 47
Back-up lights
Replacing light bulbs ............ 542
Wattage ................................ 622
Back window ............................. 94
Battery
Checking .............................. 509
If the vehicle has a discharged battery ............ 598
Preparing and checking before winter ...................... 275
Bluetooth
® audio..................... 364
Bluetooth® phone ................... 380
Bottle holder ............................ 427
Brake
Fluid...................................... 505
Parking brake ....................... 180
Brake assist ............................. 253
Break-in tips ............................ 155
Brightness control Instrument light control ......... 187
Care Exterior ................................. 478
Interior .................................. 481
Seat belts ............................. 482
Cargo capacity ........................ 267
Cargo hooks ............................ 456
Cargo net hooks ...................... 457
CD player/changer .................. 324
Center differential lock ........... 226
Chains ...................................... 277
Child-protectors ........................ 53 Child restraint system
Booster seats, definition ........135
Booster seats, installation .....139
Convertible seats, definition .............................135
Convertible seats,
installation ...........................139
Front passenger occupant classification system ...........129
Infant seats, definition ...........135
Infant seats, installation.........139
Installing CRS with LATCH system........ ............141
Installing CRS with seat belts ............................144
Installing CRS with top straps ..................................147
Child safety
Airbag precautions ................121
Battery precautions .......511, 602
Child-protectors .......................53
Child restraint system............135
How your child should wear the seat belt ..........................82
Installing child restraints ........139
Moon roof precautions ..........101
Power window lock switch.......91
Power window precautions .....93
Removed key battery
precautions .........................530
Seat belt extender
precautions ...........................84
Seat belt precautions ..............83
Seat heater precautions ........446
Cleaning Exterior ..................................478
Interior ...................................481
Seat belts ..............................482
B
C