2012 TOYOTA PRIUS light

301
2-4. Using other driving systems
2
When driving
Hill-start assist control
■Hill-start assist control can be operated when
●The shift position is in a position other than P.
● The parking brake is not applied.
● The accelerator pedal is not depressed.
■ Hill-start assist control
●While hill-start assist control is operating, the brakes remain automati-
cally applied after the driver releases the brake pedal. The stop lights and
the high mounted stoplight turn on.
● Hill-start assist control operates for about 2 seconds after the brake pedal
is released.
● If the slip indicator does not flash and the buzzer does not sound when
the brake pedal is further depressed, slightly reduce the pressure on the
brake pedal (do not allow the vehicl e to roll backward) and then firmly
depress it again. If the system still does not operate, check if the operat-
ing conditions explained above have been met.
Hill-start assist control helps to prevent the vehicle from rolling
backwards when starting on an incline or slippery slope.
To engage hill-start assist con-
trol, further depress the brake
pedal when the vehicle is
stopped completely.
A buzzer will sound once to
indicate the system is acti-
vated. The slip indicator will
also start flashing.

302 2-4. Using other driving systems
■Hill-start assist control buzzer
●When hill-start assist control is activated, the buzzer will sound once.
● In the following situations, hill-start assist control will be canceled and the
buzzer will sound twice.
• No attempt is made to drive the vehicle within approximately 2 seconds
of releasing the brake pedal.
• Push the P position switch.
• The parking brake is applied.
• The brake pedal is depressed again.
• The brake pedal has been depressed for more than approximately 3 minutes.
■ If the slip indicator light comes on
It may indicate a malfunction in the system. Contact your Toyota dealer.
CAUTION
■Hill-start assist control
●Do not overly rely on the hill-start assist control. Hill-start assist control
may not operate effectively on extremely steep inclines or roads covered
in ice.
● Unlike the parking brake, hill-start assist control is not intended to hold the
vehicle stationary for an extended period of time. Do not attempt to use
hill-start assist control to hold the vehicle on an incline for an extended
period of time, as doing so may lead to an accident.

303
2-4. Using other driving systems
2
When driving
PCS (Pre-Collision System)
: If equipped
When the radar sensor detects possibility of a frontal collision, the
pre-collision systems such as the brakes and seat belts are automat-
ically engaged to lessen impact as well as vehicle damage.
■ Pre-collision seat belts (front seat belts only)
If the pre-collision sensor detects t hat a collision is unavoidable, the
pre-collision system will retract the seat belt before the collision occurs.
The same will happen if the driver makes an emergency braking or
loses control of the vehicle. ( P. 1 11 )
However, when the VSC system is disabled, the system will not oper-
ate in the event of skidding.
■ Pre-collision brake assist
When there is a high possibility of a frontal collision, the system applies
greater braking force in relation to how strongly the brake pedal is
depressed.
■Pre-collision braking
When there is a high possibility of a frontal collision, the system warns
the driver using a warning light, warning display and buzzer. If the sys-
tem determines that a collision is unavoidable, the brakes are automat-
ically applied to reduce the collision speed. Pre-collision braking can be
disabled using the pre-collision braking off switch.

304 2-4. Using other driving systems
Disabling pre-collision brakingPre-collision braking enabled
Pre-collision braking disabled
The “PCS” warning light will
turn on when pre-collision
braking is disabled.
Radar sensor
The radar sensor detects vehi-
cles or other obstacles on or
near the road ahead and deter-
mines whether a collision is
imminent based on the position,
speed, and heading of the obsta-
cles.

307
2-4. Using other
driving systems
2
When driving
■Obstacles not detected
The sensor cannot detect plastic obstacles such as traffic cones. There may
also be occasions when the sensor cannot detect pedestrians, animals,
bicycles, motorcycles, trees, or snowdrifts.
■ Situations in which the pre-collis ion system does not function properly
The system may not function effectively in situations such as the following:
● On roads with sharp bends or uneven surfaces
● If a vehicle suddenly moves in front of vehicle, such as at an intersection
● If a vehicle suddenly cuts in front of vehicle, such as when overtaking
● In inclement weather such as heavy rain, fog, snow or sand storms
● When your vehicle is skidding with the VSC system off
● When an extreme change in vehicle height occurs
● When the axis of the radar is out of adjustment
■ Automatic cancelation of the pre-collision system
When a malfunction occurs due to sensor contamination, etc. that results in
the sensors being unable to detect obstacles, the pre-collision system will be
automatically disabled. In this case, the system will not activate even if there
is a collision possibility.
■ When there is a malfunction in the system
Warning lights and/or warning messages will turn on or flash. ( P. 496, 509)

318 2-5. Driving information
■Before driving the vehicle
Perform the following according to the driving conditions:
●Do not try to forcibly open a window or move a wiper that is
frozen. Pour warm water over the frozen area to melt the ice.
Wipe away the water immediately to prevent it from freezing.
● To ensure proper operation of th e climate control system fan,
remove any snow that has accumulated on the air inlet vents
in front of the windshield.
● Check for and remove any excess ice or snow that may have
accumulated on the exterior lights, vehicle’s roof, chassis,
around the tires or on the brakes.
● Remove snow or mud from the bottom of your shoes before
getting in the vehicle.
■ When driving the vehicle
Accelerate the vehicle slowly, keep a safe distance between you
and the vehicle ahead, and drive at a reduced speed suitable to
road conditions.
■ When parking the vehicle
Park the vehicle and shift the shift position to P and block the
wheel under the vehicle without setting the parking brake. The
parking brake may freeze up, preventing it from being released.
If necessary, block the wheels to prevent inadvertent sliding or
creeping.

Interior features3
325
3-1. Using the air conditioning system and defogger
Air conditioning system ........................... 326
Using the steering wheel climate remote control
switches ......................... 337
Solar Ventilation System ........................... 339
Remote Air Conditioning System ........................... 342
Rear window and outside rear view mirror defogger
switch ............................. 346
3-2. Using the audio system Audio system types .......... 347
Using the AUX port/USB port................................. 352 3-3. Using the interior lights
Interior lights list ............... 353
• Front interior lights ......... 354
• Personal lights ............... 355
• Rear interior light ........... 355
3-4. Using the storage features List of storage features .... 357
• Glove boxes ................... 358
• Console box ................... 359
• Cup holders ................... 360
• Bottle holders ................. 362
• Auxiliary boxes ............... 363
3-5. Other interior features Sun visors ........................ 364
Vanity mirrors ................... 365
Outside temperature display............................ 366
Power outlets ................... 367
Seat heaters..................... 369
Armrest ............................ 371
Floor mats ........................ 372
Luggage compartment features .......................... 374
Garage door opener......... 380
Safety Connect ................ 388

339
3-1. Using the air conditioning system and defogger
3
Interior features
Solar Ventilation System
: If equipped
The Solar Ventilation System uses energy provided by solar panel
built into the roof to operate a fa n contained within the air condition-
ing system, allowing ventilation of the vehicle interior when the vehi-
cle is parked in direct sunlight.
■ Activating the Solar Ventilation System
With the “POWER” switch in
ON mode, turn on the ventila-
tion switch.
Off
On
Turn the “POWER” switch off.
After approximately 1 minute, outside air mode will be selected
and the air vents will be put into upper body mode.
After approximately 10 minutes, the ventilation operation will
commence.
The ventilation operation will be canceled if the “POWER”
switch is turned to ON mode or the ventilation switch is turned
off.
STEP 1
STEP 2