2012 TOYOTA SEQUOIA brake light

219
2-4. Using other
driving systems
2
When driving
CAUTION
■Conditions under which the vehicle -to-vehicle distance control may
not function correctly
Apply the brakes as necessary in the following conditions as the laser radar
sensor may not be able to correctly detect vehicles ahead, and a fatal or
serious accident may result.
● When water or snow thrown up by the surrounding vehicles hinders the
functioning of the sensor
● When your vehicle is pointing upwards (caused by a heavy load in the lug-
gage compartment etc.)
● When the road curves or when the lanes are narrow
● When steering wheel operation or your position in the lane is unstable
● When the vehicle ahead of you decelerates suddenly
● When your vehicle is towing a trailer or during emergency towing
■ Handling the laser radar sensor
Observe the following to ensure the cruise control system can function effec-
tively.
Otherwise, the system may not function correctly and could result in an acci-
dent.
●Keep the sensor clean at all times.
Clean the sensor with a soft cloth so you do not mark or damage them.
● Do not subject the sensor or surrounding area to a strong impact.
If the sensor moves even slightly off position, the system may malfunction.
If the sensor or surrounding area is subject to a strong impact, always
have the area inspected and adjusted by a Toyota dealer.
● Do not disassemble the sensor.
● Do not attach accessories or stickers to the sensor, surrounding area.
● Do not modify or paint the sensor.
● Do not replace them with non-genuine parts.

225
2-4. Using other
driving systems
2
When driving
■Sensor detection information
●Certain vehicle conditions and the surrounding environment may affect
the ability of a sensor to correctly detect an obstacle. Particular instances
where this may occur are listed below.
• There is dirt, snow or ice on a sensor.
• A sensor is frozen.
• A sensor is covered in any way.
• The vehicle is leaning considerably to one side.
• On an extremely bumpy road, on an incline, on gravel, or on grass.
• The vicinity of the vehicle is noisy due to vehicle horns, motorcycle
engines, air brakes of large vehicles, or other loud noises producing
ultrasonic waves.
• There is another vehicle equipped with parking assist sensors in the vicinity.
• A sensor is coated with a sheet of spray or heavy rain.
• The vehicle is equipped with a fender pole or radio antenna.
• A bumper or sensor receives a strong impact.
• The vehicle is approaching a tall or right-angled curb.
• In harsh sunlight or intense cold weather.
• The area directly under the bumpers is not detected. Objects lower than the sensors or thin stakes etc. may be detected ini-
tially, but as they draw closer, they may cease to be detected.
• A towing hitch is mounted to the vehicle.
• A non-genuine Toyota suspension (lowered suspension etc.) is installed.
• When attaching a two-way radio antenna.
• When a towing eyelet is mounted on your vehicle.
• When the bumper is damaged.
In addition to the examples above, there are instances in which, because of
their shapes, signs and other objects may be judged by a sensor to be closer
than they are.
● The shape of the obstacle may prevent a sensor from detecting it. Pay
particular attention to the following obstacles:
• Wires, fences, ropes, etc.
• Cotton, snow and other materials that absorb sound waves
• Sharply-angled objects
• Low obstacles

258 2-4. Using other driving systems
To disable A-TRAC (4L mode on 4WD models)If the vehicle gets stuck in fresh snow or mud, A-TRAC may reduce
power from the engine to the wheels. You may need to turn the sys-
tem off to enable you to rock the vehicle in order to free it. Stop the vehicle completely, and
press the VSC OFF switch for
more than 3 seconds.
The TRAC OFF indicator will
come on.
The system is in all off mode.
Push the switch again to turn the
system back on.
■Automatic reactivation of TRAC, A-TRAC, VSC and Trailer Sway Con-
trol
Turning the engine switch off after turning off the TRAC, A-TRAC, VSC and
Trailer Sway Control systems will automatically re-enable them.
■ Automatic A-TRAC reactivat ion (A-TRAC OFF mode)
With A-TRAC OFF mode, TRAC OFF i ndicator turn on. The A-TRAC system
will turn on when the vehicle speed increases.
■ Sounds and vibrations caused by the ABS, TRAC, A-TRAC, VSC,
Trailer Sway Control and brake assist system
●A sound may be heard from the engine compartment when the engine is
started and just after the vehicle begins to move. This sound does not
indicate that a malfunction has occurred in any of these systems.
● Any of the following conditions may occur when the above systems are
operating. None of these indicates that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
• The brake pedal may pulsate slightly after the ABS is activated.
• The brake pedal may move down slightly after the ABS is activated.

526 4-2. Maintenance
Vehicle interior
ItemsCheck points
Accelerator pedal • Moves smoothly (without uneven
pedal effort or catching)?
Automatic transmission “Park”
mechanism • Can the vehicle be held securely
on an incline with the shift lever in
P?
Brake pedal • Moves smoothly?
• Does it have appropriate clear-
ance and correct amount of free
play?
Brakes • Not pull to one side when
applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints • Move smoothly and lock
securely?
Indicators/buzzers • Function properly?
Lights • Do all the lights come on?
• Headlights aimed correctly?
Parking brake • Moves smoothly?
• Can hold the vehicle securely on
an incline?
Seat belts • Does the seat belt system oper-
ate smoothly?
• Are the belts undamaged?
Seats • Do the seat controls operate
properly?
Steering wheel • Moves smoothly?
• Has correct free play?
• No strange noises?

532 4-3. Do-it-yourself maintenance
NOTICE
■If you remove the air cleaner
Driving with the air cleaner removed may cause excessive engine wear due
to dirt in the air. Also a backfire could cause a fire in the engine compart-
ment.
■ If the brake fluid level is low or high
It is normal for the brake fluid level to go down slightly as the brake pads
wear or when the brake fluid level in the accumulator is high.
If the reservoir needs frequent refilling, it may indicate a serious pro\
blem.

542 4-3. Do-it-yourself maintenance
CAUTION
■When filling the reservoir
Take care because brake fluid can harm your hands or 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 or when the fluid level in the accumulator is high.
If the reservoir needs frequent refilling, it may indicate a serious pro\
blem.
■ If you spill fluid
Be sure to wash it off with water to prevent damage to parts or paint.

572 4-3. Do-it-yourself maintenance
13 POWER NO.4 25 A Power windows
14 FOG15 A Front fog lights
15 STOP 15 AStop lights, high mounted stop-
light, vehicle stability control sys-
tem, anti-lock brake system, shift
lock system, multiport fuel injection
system/sequential multiport fuel
injection system, towing converter
16 TOW BRK 30 A Trailer brake controller
17 IMB 7.5 AMultiport fuel injection system/
sequential multiport fuel injection
system
18 AM2 7.5 A Starting system
19 TOWING 30 A Towing converter
20 AI-HTR 10 A Air injection pump heaters
21 ALT-S 5 A Charging system
22 TURN-HAZ 15 A Turn signal lights, emergency
flashers, towing converter
23 F/PMP 25 A Fuel pump
24 ETCS 10 AMultiport fuel injection system/
sequential multiport fuel injection
system, electric throttle control sys-
tem
25 MET-B 5 A Gauges and meters
26 AMP 30 AAudio system, rear view monitor,
navigation system, rear seat enter-
tainment system
27 RAD NO.1 15 A Audio system, rear view monitor,
navigation system, rear seat enter-
tainment system
FuseAmpereCircuit

574 4-3. Do-it-yourself maintenance
39 AIR SUS NO.2 7.5 AElectronically modulated air sus-
pension system
40 SPARE 5 A Spare fuse
41 SPARE 15 A Spare fuse
42 SPARE 30 A Spare fuse
43 AIR SUS 50 A Electronically modulated air sus-
pension system
44 PBD 30 A Power back door
45 RR HTR 40 A Air conditioning system
46 H-LP CLN 30 A Headlight cleaner
47 DEFOG 40 A Rear window defogger
48 SUB BATT 40 A Trailer towing
49 ABS1 50 AAnti-lock brake system, vehicle sta-
bility control system
50 ABS2 40 AAnti-lock brake system, vehicle sta-
bility control system
51 ST 30 A Starting system
52 HTR 50 A Air conditioning system
53 LH-J/B 150 AAM1, TAIL, PANEL, ACC, CIG, LH-
IG, 4WD, ECU-IG NO.1, BK/UP LP,
SEAT-HTR, A/C IG, ECU-IG NO.2,
WSH, WIPER, OBD, A/C, TI&TE,
FR P/SEAT RH, MIR, DR/LCK, FR
P/SEAT LH, CARGO LP, PWR
OUTLET, POWER NO.1 fuses
54 ALT 180 A
*LH-J/B, HTR, SUB BATT, TOW
BRK, STOP, FOG, TOW TAIL,
DEICER fuses
140 A
*
55 A/PUMP NO.1 50 A Multiport fuel injection system/
sequential multiport fuel injection
system
FuseAmpereCircuit