2009 TOYOTA PRIUS key

400 4-3. Do-it-yourself maintenance
PRIUS_U_(OM47614U)
*1: Vehicles with halogen headlights (low beam)
*2: Vehicles with discharge headlights (low beam)35 ABS-1 25 A Anti-lock brake system
36 ETCS 10 A Electronic throttle control system
37 BATT FAN 10 A Battery cooling fan
38 HAZ 10 A
Turn signal lights, emergency
flasher
39 DOME 15 A Audio system, interior lights, smart
key system, gauge and meter, turn
signal lights, luggage room light,
clock
40 ABS MAIN3 15 A Anti-lock brake system
41 ABS MAIN2 10 A Anti-lock brake system
42 ABS MAIN1 10 A Anti-lock brake system
43 FR FOG 15 A Fog lights
44 CHS W/P 10 A CHS W/P
45 AMP 30 A Audio system
46 PTC HTR2 30 A PTC heater
47 PTC HTR1 30 A PTC heater
48 CDS FAN 30 A Electric cooling fan
FuseAmpereCircuit

When trouble arises5
411
PRIUS_U_(OM47614U)
5-1. Essential informationEmergency flashers ......... 412
If your vehicle needs to be towed ........................ 413
If you think something is wrong ............................. 420
Event data recorder ......... 421
5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer
sounds... ........................ 423
If you have a flat tire......... 436
If the hybrid system will not start ................................ 446
If you lose your keys ........ 447
If the electronic key does not operate properly....... 448
If the 12 volt battery is discharged ..................... 449
If your vehicle overheats .. 454
If the vehicle becomes stuck .............................. 457

428 5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
*3:Driver’s and front passenger’s seat belt reminder buzzer:
The driver’s and front passenger’s seat belts reminder sounds to alert the
driver and front passenger that his or her seat belt is not fastened. The
buzzer sounds intermittently for 10 seconds after the vehicle has reached a
speed of at lest 12 mph (20 km/h). Then, if the seat belt is still unfastened,
the buzzer will sound in a different tone for 20 more seconds.
Have the malfunction repaired immediately. (vehicles with smart
key system)
After taking the specified steps to correct the suspected problem,
check that the warning light turn off.
AlarmWarning lightDetailsCorrection procedure
Interior and
exterior alarm:
One beep
(sounds con-
tinuously)
The driver has
removed the smart key
from the vehicle while
the hybrid system is
not OFF and the shift
lever is in a position
other than “P”.Pressing the “P”
position switch
before removing the
smart key from the
vehicle and turning
the hybrid system
OFF.
Interior alarm:
One beep
Exterior alarm:
3 beeps The driver has
removed the smart key
from the vehicle while
the hybrid system is
not OFF and the shift
lever is in the “P” posi-
tion.
Turn the hybrid sys-
tem OFF and
remove the key
from the vehicle.
A passenger has
removed the smart key
from the vehicle while
the hybrid system is
not OFF. Check whether the
passenger leaving
the vehicle is carry-
ing the smart key.

5
When trouble arises
429
5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
Exterior alarm:
One beep
(sounds for 2
seconds)
The lock button has
been pressed while
the hybrid system is
not OFF and the shift
position is in “P”.
Turn the hybrid sys-
tem OFF.
Interior alarm:
One beep (for 5
seconds) The vehicle’s ID code
detection system has
judged that the smart
key is not present
when the “POWER”
switch is pressed.
Check that the
smart key is in the
vehicle and within
the detection area.
AlarmWarning
lightDetailsCorrection procedure

446
5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
If the hybrid system will not start
If the hybrid system will not start even though correct starting proce-
dures are being followed (
P. 132), consider each of the following
points.
■ The hybrid system will not start even when the starter motor
operates normally.
One of the following may be the cause of the problem.
●The electronic key battery may be discharged. ( P. 448)
● The hybrid system may be flooded.
Try to restart the hybrid system once more following correct
starting procedures. (P. 132)
● There may be a malfunction in the immobilizer system.
( P. 8 2 )
■ The interior lights and headlight s are dim, or the horn does
not sound or sounds at a low volume
One of the following may be the cause of the problem.
● The 12 volt battery may be discharged. ( P. 449)
● The 12 volt battery terminal c onnections may be loose or cor-
roded.
■ The interior lights and headlights do not turn on, or the horn
does not sound
One of the following may be the cause of the problem.
●One or both of the 12 volt battery terminals may be discon-
nected.
● The 12 volt battery may be discharged. ( P. 449)
Contact your Toyota dealer if the problem cannot be repaired,
or if repair procedures are unknown.

5
When trouble arises
447
5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
If you lose your keys
New genuine Toyota keys can be made by your Toyota dealer using
master key and the key number stamped on your key number plate.

448
5-2. Steps to take in an emergency
PRIUS_U_(OM47614U)
If the electronic key does not operate properly
Locking and unlocking the doorsUsing the mechanical key
( P. 34) in order to perform
the following operations:
Locks all doors
Unlocks the door
Turning the key rearward unlocks
the driver’s door. Turning the key
once again unlocks the other
doors.
Starting the hybrid system
To start the hybrid system, insert
the key into the key slot.
( P. 134)
If the electronic key battery is di scharged, the doors can be opened
by the mechanical key. The hybrid system can be still started by fol-
lowing the procedure.
■ Replacing the key battery
As this procedure is the temporary measure, it is recommended that the
electronic key battery be replaced immediately. ( P. 392)

486
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6-2. Customization
Customizable features
ItemFunctionDefault settingCustomizedsetting
Smart key
system
(
P. 36) Smart key system ON OFF
Operation signal
(Emergency flashers)
ON OFF
Operation signal
(Buzzer) ON OFF
Wireless
remote
control
(
P. 49) Unlocking operation
Driver’s door
unlocked in 1-
step, all doors
unlocked
in 2-stepAll doors
unlocked in 1-step
Time elapsed before
automatic door lock
function is activated if
door is not opened after
being unlocked 60 seconds
OFF
30 seconds
Your vehicle includes a variety of electronic features that can be per-
sonalized to your preferences. Programming these preferences
requires specialized equipment and may be performed by an autho-
rized Toyota dealership.
Some function settings are changed simultaneously with other functions
being customized. Contact your Toyota dealer for further details.