Page 133 of 596
1333-2. Opening, closing and locking the doors
3
Operation of each component
PRIUS c_U
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failure  to  do  so  may  result  in  a  door  opening  and  an  occupant  f alling  out,
resulting in death or serious injury.
● Ensure that all the doors are properly closed.
● Do not pull the inside handle of the doors while driving.
Be especially careful for the front doors, as the doors may be  opened even
if the inside lock buttons are in locked position.
● Set the rear door child-protector locks when children are seate d in the rear
seats.  
     
        
        Page 134 of 596
1343-2. Opening, closing and locking the doors
PRIUS c_U■
Door lock switches
P.   1 2 8
■Entry function (if equipped)
Press  the  switch  to  unlock
the back door.
The door cannot be unlocked for
3  seconds  after  the  door  is
locked.
Press  the  switch  to  lock  the
back door.
Check  that  the  door  is  securely
locked.
■
Wireless remote control
 P.   1 2 6
Raise the back door while pushing
up the back door opener switch.
The  back  door  cannot  be  closed
immediately  after  the  back  door
opener switch is pushed.
Back door
The  back  door  can  be  locked/unlocked  and  opened  by  the  fol-
lowing procedures.
Locking and unlocking the back door
1
2
Opening the back door from outside the vehicle 
     
        
        Page 135 of 596

1353-2. Opening, closing and locking the doors
3
Operation of each component
PRIUS c_U
Lower  the  back  door  using  the
back  door  handle,  and  make  sure
to  push  the  back  door  down  from
the outside to close it.
■Luggage compartment light (if equipped)
The luggage compartment light turns on when the back door is op ened.
When closing the back door
WARNING
■Caution while driving
● Keep the back door closed while driving. 
If the back door is left open, it may hit near-by objects while  driving or lug-
gage may be unexpectedly thrown out, causing an accident. 
In addition, exhaust gases may enter the vehicle, causing death  or a seri-
ous health hazard. Make sure to close the back door before driv ing.
● Before  driving  the  vehicle,  make  sure  that  the  back  door  is  fully closed. If
the  back  door  is  not  fully  closed,  it  may  open  unexpectedly  whi le  driving,
causing an accident.
● Never  let  anyone  sit  in  the  luggage  compartment.  In  the  event  o f  sudden
braking or a collision, they are susceptible to death or seriou s injury. 
     
        
        Page 136 of 596

1363-2. Opening, closing and locking the doors
PRIUS c_U
WARNING
■When children are in the vehicle
Observe the following precautions. 
Failure to do so may result in death or serious injury.
● Do not allow children to play in the luggage compartment.
If  a  child  is  accidentally  locked  in  the  luggage  compartment,  they  could
have heat exhaustion or other injuries.
● Do not allow a child to open or close the back door. 
Doing  so  may  cause  the  back  door  to  move  unexpectedly,  or  cause  the
child’s hands, head, or neck to be caught by the closing back d oor.
■ Operating the back door
Observe the following precautions. 
Failure to do so may cause parts of the body to be caught, resu lting in death
or serious injury.
● Remove  any  heavy  loads,  such  as  snow  and  ice,  from  the  back  doo r
before  opening  it.  Failure  to  do  so  may  cause  the  back  door  to  suddenly
shut again after it is opened.
● When  opening  or  closing  the  back  door,  thoroughly  check  to  make  sure
the surrounding area is safe. 
● If anyone is in the vicinity, make sure they are safe and let t hem know that
the back door is about to open or close.
● Use caution when opening or closing the back door in windy weat her as it
may move abruptly in strong wind. 
     
        
        Page 137 of 596

1373-2. Opening, closing and locking the doors
3
Operation of each component
PRIUS c_U
WARNING
●Do  not  pull  on  the  back  door  damper  stay  to  close  the  back  door ,  and  do
not hang on the back door damper stay. 
Doing so may cause hands to be caught or the back door damper stay to
break, causing an accident.
● If  a  bicycle  carrier  or  similar  heavy  object  is  attached  to  the  back  door,  it
may  suddenly  shut  again  after  being  opened,  causing  someone’s  hands,
head or neck to be caught and injured. When installing an acces sory part
to the back door, using a genuine Toyota part is recommended.
● The back door may suddenly shut if it is
not  opened  fully.  It  is  more  difficult  to
open  or  close  the  back  door  on  an
incline  than  on  a  level  surface,  so
beware  of  the  back  door  unexpectedly
opening  or  closing  by  itself.  Make  sure
that  the  back  door  is  fully  open  and
secure  before  using  the  luggage  com-
partment.
● When  closing  the  back  door,  take  extra
care  to  prevent  your  fingers  etc.  from
being caught.
● When closing the back door, make sure
to  press  it  lightly  on  its  outer  surface.  If
the  back  door  handle  is  used  to  fully
close  the  back  door,  it  may  result  in
hands or arms being caught. 
     
        
        Page 138 of 596
1383-2. Opening, closing and locking the doors
PRIUS c_U
NOTICE
■Back door damper stays
The  back  door  is  equipped  with  damper  stays  that  hold  the  back  door  in
place.
Observe the following precautions. 
Failure to do so may cause damage to the back door damper stay, resulting
in malfunction.
● Do not place your hand on the damper stay or apply lateral forc es to it.
●Do  not  attach  any  foreign  objects,  such
as stickers, plastic sheets, or adhesives
to the damper stay rod.
● Do  not  touch  the  damper  stay  rod  with
gloves or other fabric items.
● Do  not  attach  any  accessories  other
than  genuine  Toyota  parts  to  the  back
door. 
     
        
        Page 139 of 596
1393-2. Opening, closing and locking the doors
3
Operation of each component
PRIUS c_U
●Unlocks and locks the side doors ( P. 125)
● Unlocks and lock s the back door (P.   1 3 4 )
● Starts the hybrid system ( P.   1 9 0 )
■Antenna location
■ Effective range (areas within wh ich the electronic key is detected)
When starting the hybrid system or changing power switch modes
The system can be operated when the electronic key is inside th e vehi-
cle.
Smart key system
: If equipped
The  following  operations  can  be  performed  simply  by  carrying
the electronic key on your person, for example in your pocket.
The driver should always ca rry the electronic key.
Antennas inside the cabin
Antennas outside the cabin
Antenna  outside  the  luggage  compart-
ment
When locking or unlocking the doors
The  system  can  be  operated  when
the electronic key is within about 2.3
ft. (0.7 m) of an outside door handle.
(Only  the  doors  detecting  the  key
can be operated.)1
2
3 
     
        
        Page 140 of 596

1403-2. Opening, closing and locking the doors
PRIUS c_U■
Alarms and warning indicators
A  combination  of  exterior  and  interior  alarms  as  well  as  warnin g  messages
shown on the multi-information display is used to prevent theft of the vehicle
and  accidents  resulting  from  erroneous  operation.  Take  appropri ate  mea-
sures  in  response  to  any  warning  message  on  the  multi-information  display.
( P. 486)
The following table describes circumstances and correction procedures when
only alarms are sounded.
■ Battery-saving function
The battery-saving function will be activated in order to preve nt the electronic
key battery and the 12-volt battery from being discharged while  the vehicle is
not in operation for a long time.
● In  the  following  situations,  the  smart  key  system  may  take  some  time to
unlock the doors.
• The electronic key has been left in an area of approximately 6  ft. (2 m) of
the outside of the vehicle for 10 minutes or longer.
• The smart key system has not been used for 5 days or longer.
● If the smart key system has not been used for 14 days or longer , the doors
cannot be unlocked at any of the doors except the driver’s door . In this case,
take  hold  of  the  driver’s  door  handle,  or  use  the  wireless  remote  control  or
the mechanical key, to unlock the doors.
■ Electronic key battery-saving function
When battery-saving mode is set, battery depletion is minimized  by stopping
the electronic key from receiving radio waves.
AlarmSituationCorrection procedure
Exterior  alarm
sounds  once  for  5
seconds An attempt was made to
lock the vehicle while a door
was open. Close  all  of  the  doors
and  lock  the  doors
again.
Interior  alarm
sounds  continu-
ously The  power  switch  was
turned  to  ACCESSORY
mode while the driver's door
was  open  (or  the  driver's
door  was  opened  when  the
power  switch  was  in
ACCESSORY mode.) Turn  the  power  switch
off  and  close  the
driver’s door.
Press    twice  while  pressing  and
holding  . Confirm that the electronic
key indicator flashes 4 times.
While the battery-saving mode is set, the
smart  key  system  cannot  be  used.  To
cancel  the  function,  press  any  of  the
electronic key buttons.