Page 403 of 548
403
4-3. Do-it-yourself maintenance
4
Maintenance and care
26 S/ROOF
10 A Moon roof
27 P/SEAT FR 30 A Power seats
28 PSB 30 A No circuit
29 D/L-AM1 20 AMultiplex communication system,
power door lock, trunk opener
switch
30 TI&TE 20 A No circuit
31 A/B 10 AOccupant classification system,
SRS airbag system
32 ECU-IG2 NO.1 7.5 A Hybrid system
33 ECU-IG2 NO.2 7.5 A Electronically controlled brake sys-
tem, smart key system
34 CIG&P/
OUTLET 15 A Power outlet
35 ECU-ACC 7.5 A Clock, outside rear view mirrors,
multiplex communication system,
audio system, navigation system
36 S/HTR&FAN F/
R 10 A Seat heaters
37 S/HTR RR 20 A No circuit
FuseAmpereCircuit
Page 445 of 548
5
When trouble arises
445
5-2. Steps to take in an emergency
OnceContinuous
(Displayed alter-
nately)
(Flashes) An attempt was
made to exit the
vehicle with the
electronic key
and lock the
doors without
first turning the
“POWER”
switch off.
Turn the
“POWER”
switch off and
lock the doors
again.
9 times
(Flashes)An attempt was
made to start
the hybrid sys-
tem without the
electronic key
being present,
or the elec-
tronic key was
not functioning
normally.
An attempt was
made to drive
when the regu-
lar key was not
inside the vehi-
cle.
Confirm that the
electronic key is
inside the vehi-
cle.
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Page 447 of 548
5
When trouble arises
447
5-2. Steps to take in an emergency
OnceContinuous
(Flashes)
An attempt was
made to lock
the doors using
the smart key
system while
the electronic
key was still
inside the vehi-
cle.
Retrieve the
electronic key
from the vehi-
cle and lock the
doors again.
OnceContinuous
(Flashes)An attempt was
made to lock
either front door
by opening a
door and putting
the inside lock
button into the
lock position,
then closing the
door by pulling
on the outside
door handle
with the elec-
tronic key still
inside the vehi-
cle.
Retrieve the
electronic key
from the vehi-
cle and lock the
doors again.
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Page 448 of 548
448 5-2. Steps to take in an emergency
Once(Flashes)• When the doors
were unlocked
with the
mechanical key
and then the
“POWER”
switch was
pressed, the
electronic key
could not be
detected in the
vehicle.
• The electronic key could not be
detected in the
vehicle even
after the
“POWER”
switch was
pressed two
consecutive
times. Touch the elec-
tronic key to the
“POWER”
switch while
depressing the
brake pedal.
Once
(Flashes)An attempt was
made to start
the hybrid sys-
tem with the
shift lever in N.
Change the shift
lever to P and
start the hybrid
system.
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Page 450 of 548
450 5-2. Steps to take in an emergency
Once(Flashes)The driver's
door was
opened and
closed with the
“POWER”
switch turned off
and then the
“POWER”
switch was put
in ACCES-
SORY mode
twice without
the hybrid sys-
tem being
started.
Press the
“POWER”
switch while
depressing the
brake pedal.
During a hybrid
system starting
procedure in the
event that the
electronic key
was not func-
tioning properly
( P. 468), the
“POWER”
switch was
touched with
the electronic
key. Press the
“POWER”
switch within 10
seconds of the
buzzer sound-
ing.
Once
(Flashes)The steering
lock could not
be released
within 3 sec-
onds of the
“POWER”
switch being
pressed. Press the
“POWER”
switch while
depressing the
brake pedal and
moving the
steering wheel
left and right.
Interior
buzzerExterior
buzzerWarning messageDetailsCorrection
procedure
Page 468 of 548
468
5-2. Steps to take in an emergency
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Use the mechanical key
( P. 52) in order to perform the
following operations (driver’s
door only):
Locks all doors
Closes the windows and moon
roof (turn and hold)
*
Unlocks all doors
Turning the key rearward unlocks
the driver’s door. Turning the key
once again unlocks the other
doors.
Opens the windows and moon
roof (turn and hold)
*
*: This setting must be custom-ized at your Toyota dealer.
If communication between the electronic key and vehicle is inter-
rupted ( P. 62) or the electronic key cannot be used because the
battery is depleted, the smart key system and wireless remote con-
trol cannot be used. In such cases, the doors and trunk can be
opened and the hybrid system can be started by following the proce-
dure below.
Page 470 of 548

470 5-2. Steps to take in an emergency
■Stopping the hybrid system
Shift the shift lever to P and press the “POWER” switch as you normally do
when stopping the hybrid system.
■ Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the
electronic key battery be replaced immediately when the battery is depleted.
(P. 392)
■ Changing “POWER” switch modes
Release the brake pedal and press the “POWER” switch in above.
The hybrid system does not start and modes will be changed each time the
switch is pressed. ( P. 163)
■ If the doors cannot be locked or unlocked by the smart key system
Lock and unlock the doors by the mechanical key or wireless remote contr\
ol.
■ When the electronic key does not work properly
●Make sure that the smart key system has not been deactivated in the
customization setting. If it is off, turn the function on.
(Customizable features P. 510)
● Check if battery-saving mode is set. If it is set, cancel the function.
( P. 6 1 )
STEP3
Page 472 of 548

472 5-2. Steps to take in an emergency
■Starting the hybrid system when the 12-volt battery is discharged
The hybrid system cannot be started by push-starting.
■ To prevent 12-volt battery discharge
●Turn off the headlights and the audio system while the hybrid system is
off.
● Turn off any unnecessary electrical components when the vehicle is run-
ning at a low speed for an extended period, such as in heavy traffic.
■ When the 12-volt battery is removed or discharged
●The hybrid system may not start. ( P. 374)
● Make sure that the key is not inside the vehicle when recharging or
replacing the 12-volt battery. The key may be locked in the vehicle if the
alarm is activated. ( P. 113)
Start the engine of the seco nd vehicle. Increase the gaso-
line engine speed slightly and maintain at that level for
approximately 5 minutes to recharge the 12-volt battery of
your vehicle.
Open and close any of the doors with the “POWER” switch
OFF.
Maintain the engine speed of the second vehicle and turn
the “POWER” switch to ON mode, then start the hybrid sys-
tem.
Make sure the “READY” indicator comes on. If the indicator
does not come on, contact your Toyota dealer.
Once the hybrid system has started, remove the jumper
cables in the exact reverse or der from which they were con-
nected.
Once the hybrid system starts, have the vehicle checked at your
Toyota dealer as soon as possible.STEP3
STEP4
STEP5
STEP6
STEP7