Page 250 of 588
2504-6. Using the driving support systems
PRIUS c_U (OM52F96U)
WARNING
■To avoid operating the cruise control by mistake
Switch the cruise control off using the “ON-OFF” button when not in use.
■ Situations unsuitable for cruise control
Do not use cruise control in any of the following situations.
Doing so may result in loss of control and could cause an accident resulting
in death or serious injury.
●In heavy traffic
● On roads with sharp bends
● On winding roads
● On slippery roads, such as those covered with rain, ice or snow
● On steep hills
Vehicle speed may exceed the set speed when driving down a steep hill.
Page 484 of 588

4848-2. Steps to take in an emergency
PRIUS c_U (OM52F96U)
(If equipped)
Indicates a malfunction in:
• The Automatic High Beam system (if equipped)
• The LED headlight system (if equipped)A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
(If equipped)
Indicates that:
• There is a high possibility of a frontal collision;
or
• The pre-collision braking function is operating A buzzer also sounds.
Check the vehicle's surroundings and take
evasive action if necessary.
(If equipped)
• Indicates a malfunction in the smart key system
• Indicates a malfunction in the steering lock sys-
tem
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
(If equipped)
Indicates a malfunction in the cruise control sys-
tem
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
Indicates a malfunction in the Brake Override
System
A buzzer also sounds.
Have the vehicle inspected by your Toyota
dealer.
Warning messageDetails/Actions
(Flashes)
Page 506 of 588

5068-2. Steps to take in an emergency
PRIUS c_U (OM52F96U)■
If you have a flat front tire on a road covered with snow or ice
Install the compact spare tire on one of the rear wheels of the vehicle.
Perform the following steps and fit
tire chains to the front tires:
Replace a rear tire with the compact spare tire.
Replace the flat front tire with the tire removed from the rear of the
vehicle.
Fit tire chains to the front tires.
WARNING
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically
designed for use with your vehicle. Do not use your compact spare tire
on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possi-
ble.
●Avoid sudden acceleration, abrupt steering, sudden braking and shift-
ing operations that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following sys-
tems may not operate correctly:
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact
spare tire is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Fail-
ure to observe this precaution may lead to an accident causing death or
serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in
their storage location to reduce the po ssibility of personal injury during a
collision or sudden braking.
1
2
3
• ABS & Brake assist
• VSC
•TRAC
• Cruise control (if equipped)
• PCS (Pre-collision system) (if
equipped)
• LDA (Lane Departure Alert with steering control) (if equipped)
• Automatic High Beam (ifequipped)
• EPS
• Rear view monitor system (if
equipped)
• Navigation system (if equipped)
Page 579 of 588

579Alphabetical index
PRIUS c_U (OM52F96U)
Child safetyAirbag precautions .................. 40
Child-protectors .................... 128
Child restraint system ............. 57
How your child should
wear the seat belt ................. 32
Installing child restraints ......... 61
Moon roof precautions .......... 164
Power window lock switch .... 158
Power window precautions ... 161
Removed key battery precautions ......................... 446
Seat belt extender precautions ........................... 36
Seat belt precautions .............. 34
Seat heater precautions........ 378
12-volt battery precautions ................. 426, 516
Cleaning Exterior ................................. 396
Interior................................... 399
Seat belts .............................. 400
Clock ........................................... 96
Coat hooks ............................... 390
Condenser ................................ 421
Console box ............................. 383
Cooling system
Hybrid system overheating ... 518
Cord hook................................. 280
Cruise control .......................... 247
Cup holders.............................. 385
Curtain shield airbags ............... 38
Customizable features ............ 550 Daytime running light
system.................................... 203
Defogger Rear window ......................... 372
Side mirrors .......................... 372
Dimension ................................ 526
Dinghy towing.......................... 181
Display Energy flow ........................... 108
Multi-information display ......... 94
Trip information....................... 94
Warning message................. 482
Do-it-yourself maintenance .... 409
Doors Back door ............................. 133
Door lock .............................. 127
Door windows ....................... 158
Rear door child protector ...... 128
Side doors ............................ 124
Side mirrors .......................... 156
Driver’s seat belt reminder light ........................................ 475
Driving
Break-in tips.......................... 168
Correct posture ....................... 26
Procedures ........................... 166
Winter driving tips ................. 270D
Page 585 of 588

585Alphabetical index
PRIUS c_U (OM52F96U)
SensorAutomatic High Beam
system ......... ....................... 220
Front sensor.......................... 220
Laser sensor ......................... 220
LDA (Lane Departure Alert)........ 220
Monocular camera sensor .... 220
PCS
(Pre-Collision system) ........ 220
Shift lever
If the shift lever cannot be shifted from P ................ 510
Transmission ........................ 196
Shift lock system ..................... 510
Side airbags ............................... 38
Side marker lights Replacing light bulbs............. 453
Wattage ................................ 534
Side mirror
Adjusting and folding ............ 156
Defogger ............................... 372
Smart key system
Entry function ........................ 138
Starting the hybrid system ....... ................. 182, 186
Spare tire
Inflation pressure .................. 533
Storage location .................... 497
Spark plug ................................ 531
Specifications .......................... 526
Speedometer .............................. 91
Steering
Column lock release ..... 184, 189
Steering wheel Adjustment ............................ 153
Audio switches ...................... 279 Stop lights
Replacing light bulbs ............ 458
Storage feature ........................ 382
Storage precautions................ 177
Stuck If the vehicle becomes stuck ................................... 522
Sun visors ................................ 387
Switch
Automatic High Beam switch ................................. 242
Cruise control ....................... 247
Eco drive mode switch.......... 197
Emergency flasher switch..... 462
Engine switch ............... 182, 186
EV drive mode switch ........... 193
Fog light switch ..................... 205
Hazard light switch ............... 462
Headlight switch ................... 201
Ignition switch ............... 182, 186
LDA (Lane Departure Alert) switch ................................. 239
Light switches ....................... 201
Power door lock switch ......... 127
PCS (Pre-Collision
system) switch...... .............. 227
“POWER” switch................... 186
Power window switch ........... 158
Rear window wiper and washer switch..................... 211
Steering wheel audio switches ............................. 279
VSC OFF switch ................... 262
Window lock switch .............. 158
Wiper and washer......... 207, 211
*: For vehicles with a navigation system, refer to the “NAVIGATION SYSTEM OWNER'S MANUAL”.