2015 TOYOTA PRIUS cruise control

294 2-4. Using other driving systems
PRIUS_OM_OM47A17U_DVD_(U)
Indication on the multi-information display
When the LKA system is on, the lane line display and steering wheel
display are shown. Lane keeping assist function
operation indication
Steering wheel displayed:
Indicates that the function is cur-
rently operating. (If the lane
departure warning operates at
this time, the steering wheel
flashes.)
Steering wheel not displayed:
Indicates that the function is not
currently operating. (When the
lane keeping assist function is
canceled, the buzzer will beep
twice.)
Dynamic radar cruise control
display
Lane departure warning func-
tion indication (when solid
lines are shown):
The function has recognized lane
markers. (If the lane departure
warning operates at this time, the
lines flash.)
Lane departure warning func-
tion indication (when thin lines
are shown):
A lane marker is not recognized
by the system, or the LKA system
functions are temporarily can-
celed.

5
When trouble arises
507
5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
Warning lightWarning light/Details
(If equipped) Automatic headlight leve
ling system warning light
Indicates a malfunction in the automatic headlight level-
ing system
(Flashes)
(If equipped) Cruise control indicator
Indicates a malfunction in the cruise control/dynamic
radar cruise control
(Flashes)
(If equipped) Radar cruise control indicator
Indicates a malfunction in the dynamic radar cruise con-
trol

5
When trouble arises
521
5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
Warning messageDetails
(Flashes)
(If equipped) Indicates a malfunction in the radar cruise control sys-
tem.
A buzzer also sounds.
Press the “ON-OFF” button once to deactivate the
system, and then press the button again to reacti-
vate the system.
(Flashes)
(If equipped) Indicates a malfunction in the LKA.
A buzzer also sounds.

5
When trouble arises
523
5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
Warning messageDetailsCorrection
procedure
(If equipped) • Indicates that the pre-collision
system is not currently func-
tional because the grille or the
sensor is dirty.
• This message also appears when the pre-collision system
is not functional due to over-
heating. • Check the grille
and the sensor and
clean them if they
are dirty.
• In case of over- heating, the system
will become func-
tional once the sys-
tem cools down.
(Flashes)
(If equipped) Indicates that the radar cruise
control sensor is dirty or cov-
ered with ice.
Clean the sensor.
(Flashes)
(If equipped) Indicates that the radar cruise
control system is unable to
judge vehicle-to-vehicle dis-
tance.
If the windshield
wipers are on, turn
them off or set
them to either the
intermittent or the
slow mode.

528 5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
■Warning message in radar cruise mode (if equipped)
In the following cases, the warning message may not be displayed even if
vehicle-to-vehicle distance decreases:
●When your vehicle and the vehicle ahead are traveling at the same
speed or the vehicle ahead is traveling more quickly than your vehicle.
● When the vehicle ahead is traveling at very low speed.
● Immediately after cruise control speed is set.
● At the instant the accelerator pedal is depressed.
■ The LKA (Lane-Keeping Assist) lane departure warning function (if
equipped)
In the following cases, the warning message will not be displayed even if a
lane line is crossed.
●When the vehicle speed deviates from the operating range of the LKA
system functions
● When the lane lines cannot be recognized
● When the steering wheel is turned as far as necessary to cause the vehi-
cle to change lanes

546 5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
CAUTION
■When using the compact spare tire
●Remember that the spare tire provided is specifically designed for use
with your vehicle. Do not use your spare tire on another vehicle.
●Do not use more than one spare tire simultaneously.
●Replace the spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp
cornering.
■When storing the compact spare tire
Be careful not to catch fingers or other body parts between the compact
spare tire and the body of the vehicle.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following sys-
tems may not operate correctly:
●ABS & Brake assist
●VSC
●TRAC
●Cruise control (if equipped)
●Dynamic radar cruise control (if equipped)
●Pre-collision system (if equipped)
●LKA (Lane-Keeping Assist) (if equipped)
●EPS
●Rear view monitor system (if equipped)
●Advanced parking guidance system (if equipped)
●Navigation system (if equipped)

632 Alphabetical index
PRIUS_OM_OM47A17U_DVD_(U)
Child safetyAirbag precautions ................150
Back door precautions ............96
Child restraint system............ 162
Child-protectors .......................89
How your child should wear the seat belt ........................ 112
Installing child restraints ........ 167
Power window lock switch..... 125
Power window precautions ... 127
Removed electronic key battery precautions ......................... 465
Seat belt extender precautions ......................... 117
Seat belt precautions ............ 113
Seat heater precautions ........ 376
12-volt battery precautions .... 443
Child-protectors .........................89
Cleaning
Exterior .................................. 404
Interior ................................... 407
Seat belts .............................. 408
Clock ......................................... 233
Condenser ................................ 435
Console box ............................. 365
Cooling system Engine overheating ............... 561
Hybrid system overheating.... 561
Cruise control Cruise control ........................ 269
Dynamic radar cruise control ................................. 273
Cup holders .............................. 366
Curtain shield airbags ............. 141
Customizable features............. 602 Daytime running light
system .................................... 256
Deck board ............................... 381
Defogger
Rear window ......................... 352
Side mirrors........................... 352
Dimensions .............................. 572
Dinghy towing .......................... 329
Display Dynamic radar cruise control ................................. 273
Multi-information ................... 226
Warning messages ............... 517
Do-it-yourself maintenance .... 419
Door lock Back door ................................ 94
Side doors ............................... 88
Smart key system .. ................. 63
Wireless remote control .......... 86
Doors Back door ................................ 94
Door glasses ......................... 125
Door lock ..................... 63, 86, 88
Rear door child-protector ........ 89
Side doors ............................... 88
Driver’s seat belt reminder light ......................................... 508
Driving
Break-in tips .......................... 183
Correct posture ..................... 139
Procedures............................ 182
Winter driving tips ................. 323D

636 Alphabetical index
PRIUS_OM_OM47A17U_DVD_(U)
MaintenanceDo-it-yourself maintenance ....................... 419
General maintenance ............ 414
Maintenance data.................. 572
Maintenance requirements.... 411
Maintenance data ..................... 412
Meter Instrument panel light
control ................................. 220
Meters ................................... 217
Speed unit select button........ 219
Trip information display ......... 232
Micro dust and pollen filter ..... 336
Microphone
*............................ 395
Mirrors Inside rear view mirror........... 119
Side mirror heater ................. 352
Side mirrors ........................... 123
Vanity mirrors ........................ 371
MP3 disc
*
Multi-information display ........ 226
Navigation system (refer to “NAVIGATION
SYSTEM OWNER’S MANUAL”)
Noise from under vehicle ..........22
Odometer .................................. 231
Oil
Engine oil .............................. 429
Opener
Back door ................................94
Fuel filler door ....................... 133
Hood...................................... 422
Outside rear view mirrors Adjusting and folding ............. 123
Outside rear view mirror
defogger switch ..................... 352 Outside temperature
display .................................... 372
Overheating .............................. 561
Parking brake ........................... 215
Parking lights
Switch ................................... 253
PCS ........................................... 308
Personal lights
Switch ................................... 361
Wattage................................. 582
Power outlets ........................... 373
“POWER” switch ..................... 195
Power windows ........................ 125
Pre-collision system ................ 308
Radar cruise control system .................................... 273
Radiator .................................... 435
Radio
*
Radio data system*
RDS*
Rear seats Adjustment ............................ 103
Folding down......................... 104
Rear turn signal lights
Replacing light bulbs ............. 478
Wattage................................. 582
Rear view mirror .............. 119, 123
Rear view monitor system
*
Rear window and outside rear view mirror
defoggers ............................... 352
Rear window wiper and washer .................................... 265
Remote Air C onditioning
System.................................... 348
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