
2264-5. Toyota Safety Sense C
PRIUS c_U
WARNING
■To avoid malfunction of the front sensor
Observe the following precautions.
Otherwise, the front sensor may not operate properly, possibly  leading to an
accident resulting in death or serious injury.
● Keep the windshield clean at all times. If the windshield is di rty or covered
with  an  oily  film,  water  droplets,  snow,  etc.,  clear  the  windshield.  If  the
inner side of the windshield in front of the front sensor is dirty, contact your
Toyota dealer.
● If there is a large difference in temperature between the inside and outside
of the vehicle, such as in winter, the windshield is likely to  fog up easily. If
the  part  of  the  windshield  in  front  of  the  front  sensor  is  fogg ed  up  or  cov-
ered  with  condensation  or  ice,  the  PCS  warning  light  may  illumi nate  and
the  system  may  be  temporarily  disabled.  In  this  case,  use  the  w indshield
defogger to remove the fog, etc. ( P. 376)
● If  the  area  of  the  windshield  in  front  of  the  front  sensor  is  covered  with
water droplets, use the windshield wipers to remove them. 
If  the  water  droplets  are  not  sufficiently  removed,  the  performance  of  the
front sensor may be reduced.
●Do  not attach objects,  such as  stickers,
transparent  stickers,  etc.,  and  so  forth,
to  the  outer  side  of  the  windshield  in
front of the front sensor (shaded area in
the illustration).
A:  From  the  top  of  the  windshield  to
approximately 4.0 in. (10 cm) below the
bottom of the front sensor
B:  Approximately  7.9  in.  (20  cm)
(Approximately  4.0  in.  (10  cm)  to  the
right and left from the center of the front
sensor)
● Do  not  install  or  attach  anything  to  the
inner  side  of  the  windshield  under  the
front sensor (shaded area in the illustra-
tion).
A: Approximately  4.0  in.  (10  cm)  (Start-
ing from the bottom of the front sensor)
B:  Approximately  7.9  in.  (20  cm)
(Approximately  4.0  in.  (10  cm)  to  the
right and left from the center of the front
sensor) 

2274-5. Toyota Safety Sense C
4
Driving
PRIUS c_U
WARNING
●If  water  droplets  cannot  be  properly  removed  from  the  area  of  t he  wind-
shield  in  front  of  the  front  sensor  by  the  windshield  wipers,  r eplace  the
wiper insert or wiper blade. 
If  the  wiper  inserts  or  wiper  blades  need  to  be  replaced,  contact  your
Toyota dealer.
● Do not attach window tint to the windshield.
● Replace the windshield if it is damaged or cracked. 
If the windshield needs to be replaced, contact your Toyota dea ler.
● Do not get the front sensor wet.
● Do not allow bright lights to shine into the front sensor.
● Do not dirty or damage the front sensor. 
When  cleaning  the  inside  of  the  windshield,  do  not  allow  glass  cleaner  to
contact the lens. Also, do not touch the lens. 
If the lens is dirty or damaged, contact your Toyota dealer.
● Do not subject the front sensor to a strong impact.
● Do  not  change  the  installation  position  or  direction  of  the  fro nt  sensor  or
remove it.
● Do not disassemble the front sensor.
● Do  not  modify  any  components  of  the  vehicle  around  the  front  sensor
(inside rear view mirror, etc.) or ceiling.
● Do  not  attach  any  accessories  that  may  obstruct  the  front  senso r  to  the
hood, front grille or front bumper. Contact your Toyota dealer  for details.
● If a surfboard or other long object is to be mounted on the roo f, make sure
that it will not obstruct the front sensor.
● Do not modify the headlights or other lights.
● Do not attach anything to or place anything on the dashboard.
■ Installation area of front sensor on windshield
When the windshield is fogging up easily, the glass around the  front sensor
may be hot due to the heater running. If the glass is touched,  it may result in
burns. 

2284-5. Toyota Safety Sense C
PRIUS c_U
■If a warning message is displayed on the multi-information disp lay
A  system  may  be  temporarily  unavailable  or  there  may  be  a  malfu nction  in
the system.
● In  the  following  situations,  perform  the  actions  specified  in  t he  table.  When
the normal operating conditions are detected, the warning messa ge will dis-
appear and the system will become operational.
If the warning message does not disappear, contact your Toyota dealer.
● If the warning message does not disappear even after the normal  operating
conditions  have  returned  and  the  vehicle  has  been  driven  for  so me  time,
contact your Toyota dealer.
SituationActions
When the area around the front
sensor  is  covered  with  dirt,
moisture  (fogged  up,  covered
with  condensation,  ice,  etc.),  or
other foreign matterTo clean the part of the windshield in front
of  the  front  sensor,  use  the  windshield
wipers or the windshield defogger 
( P. 376).
When  the  temperature  around
the  front  sensor  is  outside  of
the  operational  range,  such  as
when the vehicle is in the sun or
in  an  extremely  cold  environ-
ment
If the front sensor is hot, such as after the
vehicle  is  parked  in  the  sun,  use  the  air
conditioning system to decrease the tem-
perature around the front sensor.
If a sunshade was used when the vehi-
cle  was  parked,  depending  on  its  type,
the  sunlight  reflected  from  the  surface
of  the  sunshade  may  cause  the  tem-
perature  of  the  front  sensor  to  become
excessively high.
If  the  front  sensor  is  cold,  such  after  the
vehicle  is  parked  in  an  extremely  cold
environment,  use  the  air  conditioning
system  to  increase  the  temperature
around the front sensor.
The  area  in  front  of  the  front
sensor  is  obstructed,  such  as
when  the  hood  is  open  or  a
sticker is attached to the part of
the  windshield  in  front  of  the
front sensor.
Close  the  hood,  remove  the  sticker,  etc.
to clear the obstruction. 

2374-5. Toyota Safety Sense C
4
Driving
PRIUS c_U• When a detectable object appears to be nearly the same color o
r bright-
ness as its surroundings
• If a detectable object cuts or suddenly emerges in front of your vehicle
• When the front of your vehicle is hit by water, snow, dust, et c.
• When  a  very  bright  light  ahead,  such  as  the  sun  or  the  headlig hts  of
oncoming traffic, shines directly into the front camera sensor
• When approaching the side or front of a vehicle ahead
• If a vehicle ahead is a bicycle or motorcycle
• If a vehicle ahead is narrow, such as a personal mobility vehi cle
• If a preceding vehicle has a small rear end, such as an unload ed truck
• If a vehicle ahead is carrying a load which protrudes past its rear bumper
• If a vehicle ahead is irregularly shaped, such as a tractor or side car
• If  a  pedestrian  ahead  is  shorter  than  approximately  3.2  ft.  (1   m)  or  taller
than approximately 6.5 ft. (2 m)
• If a pedestrian is wearing oversized clothing (a rain coat, lo ng skirt, etc.),
making their silhouette obscure
• If a pedestrian is bending forward or squatting or bicyclist i s bending for-
ward
• If a pedestrian is moving fast
• If a pedestrian is pushing a stroller, wheelchair, bicycle or  other vehicle
• When  driving  in  inclement  weather  such  as  heavy  rain,  fog,  snow  or  a sandstorm
• When driving through steam or smoke
• When  the  surrounding  area  is  dim,  such  as  at  dawn  or  dusk,  or  while  at
night  or  in  a  tunnel,  making  a  detectable  object  appear  to  be  n early  the
same color as its surroundings
• When driving in  a place where the  surrounding brightness changes  sud- denly, such as at the entrance or exit of a tunnel
• If your vehicle is skidding • If  a  preceding  vehicle  has  a  low  rear end, such as a low bed trailer
• If a vehicle ahead has extremely high ground clearance 

2464-5. Toyota Safety Sense C
PRIUS c_U
■High beam automatic turning on or off conditions
●When all of the following conditions are fulfilled, the high be am will be auto-
matically turned on (after approximately 1 second):
• Vehicle speed is approximately 21 mph (33 km/h) or more.
• The area ahead of the vehicle is dark.
• There are no vehicles ahead with headlights or tail lights turned on.
• There are few streetlights on the road ahead.
● If any of the following conditions is met, the high beams will  turn off automat-
ically:
• Vehicle speed is below approx imately 17 mph (27 km/h).
• The area ahead of the vehicle is not dark.
• Vehicles ahead have their headlights or tail lights turned on.
• There are many streetlights on the road ahead.
■ Front sensor detection information
●The  high  beam  may  not  be  automatically  turned  off  in  the  following  situa-
tions:
• When vehicles ahead suddenly appear from a curve
• When the vehicle is cut in front of by another vehicle
• When vehicles ahead are hidden from sight due to repeated curv es, road
dividers or roadside trees
• When vehicles ahead appear from the faraway lane on wide road
• When vehicles ahead have no lights
● The  high  beam  may  be  turned  off  if  a  vehicle  ahead  that  is  usin g  fog  lights
without using the headlights is detected.
● House lights, street lights, traffic signals, and illuminated billboards or signs
may cause  the high  beam  to switch to  the low  beams,  or the  low  beams  to
remain on.
● The  following  factors  may  affect  the  amount  of  time  taken  to  tu rn  the  high
beam on or off:
• The brightness of headlights, fog lights, and tail lights of v ehicles ahead
• The movement and direction of vehicles ahead
• When a vehicle ahead only has operational lights on one side
• When a vehicle ahead is a two-wheeled vehicle
• The  condition of the  road  (gradient, curve, condition of the  r oad  surface,
etc.)
• The number of passengers and amount of luggage
● The high beam may be turned on or off when the driver does not  expect it.
● Bicycles or similar objects may not be detected. 

2474-5. Toyota Safety Sense C
4
Driving
PRIUS c_U●
In  the  situations  shown  below,  the  system  may  not  be  able  to  accurately
detect  surrounding  brightness  levels.  This  may  cause  the  low  be ams  to
remain  on  or  the  high  beams  to  cause  problems  for  pedestrians,  vehicles
ahead  or  other  parties.  In  these  cases,  manually  switch  between   the  high
and low beams.
• In bad weather (rain, snow, fog, sandstorms, etc.)
• The windshield is obscured by fog, mist, ice, dirt, etc.
• The windshield is cracked or damaged.
• The front sensor is deformed or dirty.
• The front sensor temperature is extremely high.
• Surrounding brightness levels are equal to those of headlights , tail lights
or fog lights.
• Vehicles  ahead  have  headlights  or  tail  lights  that  are  either  switched  off,
dirty, are changing color, or are not aimed properly.
• When  driving  through  an  area  of  intermittently  changing  brightness  and darkness.
• When  frequently  and  repeatedly  driving  ascending/descending  roads,  or roads  with  rough,  bumpy  or  uneven  surfaces  (such  as  stone-paved
roads, gravel tracks, etc.).
• When  frequently  and  repeatedly  taking  curves  or  driving  on  a  w inding
road.
• There is a highly reflective object ahead of the vehicle, such as a sign or
a mirror.
• The back of a vehicle ahead is highly reflective, such as a co ntainer on a
truck.
• The vehicle’s headlights are damaged or dirty, or are not aime d properly.
• The vehicle is listing or titling due to a flat tire, a traile r being towed, etc.
• The high beam and low beam are repeatedly being switched betwe en in
an abnormal manner.
• The driver believes that the high beam may be causing problems  or dis-
tress to other drivers or pedestrians nearby. 

373
6Interior features
PRIUS c_U6-1.  U
sing the air
c onditioning system 
and defogger
Automatic air  conditioning system ........ 374
Seat heaters...................... 382
6-2.  Using the interior lights Interior lights list ................ 383
• Interior lights ................. 384
• Personal lights .............. 384
6-3.  U sing the storage
features
List of storage fea tures ..... 386
• Glove box...................... 387
• Console box .................. 387
• Auxiliary boxes.............. 388
• Cup holders .................. 389
• Bottle holders ................ 390
6-4.  Other interior features Other interior features ....... 391
• Sun visors ..................... 391
• Vanity mirrors................ 391
• Power outlet .................. 392
• Coat hooks.................... 393
• Assist grips ................... 394
• Luggage cover .............. 395 

3826-1. Using the air conditioning system and defogger
PRIUS c_U
Turns  on  the  front  left  seat
heater
Turns  on  the  front  right  seat
heater
The indicator light comes on.
Push the switch once again to turn
off the seat heater.
■The seat heaters can be used when
The power switch is in ON mode.
■ When not in use
Turn the seat heater off. The indicator light goes off.
Seat heaters
: If equipped
WARNING
●Care should be taken to prevent injury if anyone in the followi ng categories
comes in contact with the seats when the heater is on:
• Babies,  small  children,  the  elderly,  the  sick  and  the  physical ly  chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons  who  have  taken  alcohol  or  drugs  that  induce  sleep  (sle eping
drugs, cold remedies, etc.)
● Observe the following precautions to prevent the minor burns or  overheat-
ing
• Do  not  cover  the  seat  with  a  blanket  or  cushion  when  using  the   seat
heater.
• Do not use seat heater more than necessary.
NOTICE
● Do not put heavy objects that have an uneven surface on the sea t and do
not stick sharp objects (needles, nails, etc.) into the seat.
● To  prevent  12-volt  battery  discharge,  do  not  use  the  functions  when  the
hybrid system is off.
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