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514 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.
■Maintenance of the tires
Each tire, including the spare (if provided), should be checked monthly
when cold and inflated to the inflation pressure recommended by the
vehicle manufacturer on the vehicle placard or tire inflation pressure
label (tire and load information label). (If your vehicle has tires of a differ-
ent size than the size indicated on the vehicle placard or tire inflation
pressure label [tire and load information label], you should determine the
proper tire inflation pr essure for those tires.)
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5
When trouble arises
525
5-2. Steps to take in an emergency
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Warning messageDetailsCorrection
procedure
Alerts the driver that the vehi-
cle is out of the lanes (while
the LKA [Lane-Keeping Assist]
system is operating). The warning buzzer sounds
continuously. The lane mark-
ings and/or the steering
wheel marking flash.
At the same time,
will appear on the
head-up display (the image
flashes). Check around the
vehicle and back to
inside of the lane
markings.
Indicates that the LKA (Lane-
Keeping Assist) system
detects nohanded driving
(while the lane keeping assist
function is operating). The warning buzzer sounds
twice. Grip the steering
wheel firmly.
The hybrid system has over-
heated. This message may be dis-
played when driving under
severe operating conditions,
and the output of the hybrid
system may temporarily
decrease in order to protect
the system. (For example,
when driving up a long steep
hill or driving up a steep hill in
reverse.) Stop and check.
(
P. 561)
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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
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570 5-2. Steps to take in an emergency
PRIUS_OM_OM47A17U_DVD_(U)
CAUTION
■If the hybrid system has to be turned off while driving
Power assist for the steering will be lost, making the steering wheel heavier
to turn. Decelerate as much as possible before turning off the hybrid system.
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630
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Alphabetical index
Alphabetical index
A/CAutomatic air conditioning
system ................................ 332
ABS ........................................... 301
Active head restraint ............... 101
Air conditioning system Automatic air conditioning system ................................ 332
Remote Air Conditioning System ................................ 348
Steering wheel climate remote control switches ...... 343
Airbags Airbag operating conditions............................ 145
Airbag precautions for your child .................................... 150
Airbag warning light............... 505
Curtain shield airbag operating
conditions............................ 145
Curtain shield airbag
precautions ......................... 150
Front passenger occupant classification system ........... 156
General airbag precautions ... 150
Knee airbag ........................... 141
Locations of airbags .............. 141
Modification and disposal of airbags ................................ 155
Proper driving posture ........... 139
Side airbag operating
conditions............................ 145
Side airbag precautions ........ 150
Side and curtain shield airbags
operating conditions............ 145
Side and curtain shield airbags
precautions ......................... 150
SRS airbags .......................... 141
SRS airbag instructions for Canadian owners. ............... 615 Antenna .................................... 406
Anti-lock brake system ........... 301
Armrest ..................................... 377
Assist grips .............................. 378
Audio input
*............................. 358
Audio remote control switches
*
Audio system*
Audio/video system*
Automatic air conditioning systemAir conditioning system ......... 332
Automatic air conditioning
system ................................ 332
Remote Air Conditioning
System................................ 348
Steering wheel climate remote control switches ...... 343
Automatic headlight leveling system .................................... 258
Automatic light control
system .................................... 253
AUX port
*................................. 358
Auxiliary box .................... 369, 383
A
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638 Alphabetical index
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Steering wheelAdjustment ............................ 118
Audio switches
*
Storage feature......................... 363
StuckIf your vehicle becomes
stuck ................................... 567
Sun visors................................. 370
Switch Audio remote control switches
*
Cruise control switch ............. 269
Driving mode selectswitch .................................. 207
Eco drive mode switch .......... 207
Emergency flasher switch ..... 494
EV drive mode switch............ 202
Fog light switch ..................... 259
Hazard light switch ................494
Headlight cleaner switch ....... 268
Ignition switch........................ 195
Light switches........................ 253
Power door lock switch ...........88
“POWER” switch ................... 195
Power window switch ............ 125
Pre-collision braking off switch .................................. 309
Talk switch
*
Telephone switch*
Tire pressure warning reset switch ......................... 448
Ventilation switch .................. 345
Window lock switch ............... 125
Wipers and washer switch .... 261 Tail lights
Switch ................................... 253
Talk switch
*
Telephone switch*
Theft deterrent system Immobilizer system ............... 137
Tire inflation pressure ............. 457
Tire information Glossary ................................ 594
Size ....................................... 590
Tire identification number...... 589
Uniform Tire Quality
Grading ............................... 592
Tire pressure warning system ............................ 446, 509
Tires Chains ................................... 325
Checking ............................... 446
If you have a flat tire.............. 537
Inflation pressure .................. 457
Inflation pressure sensor....... 447
Information ............................ 587
Replacing .............................. 537
Rotating tires ......................... 446
Size ....................................... 581
Snow tires ............................. 323
Spare tire .............................. 537
Tire pressure warning system ........................ 446, 509
T