Page 527 of 618

5297-2. Steps to take in an emergency
Owners Manual_USA_M0C031_en
7
When trouble arises
3 Firmly depress the brake 
pedal and check that   is 
shown on the multi-informa-
tion display.
4 Press the power switch 
shortly and firmly.
In the event that the hybrid sys-
tem still cannot be started, con-
tact your Toyota dealer.
■Stopping the hybrid system
Shift the shift lever to P, set the park-
ing brake, shift the shift lever to P 
and press the power switch as you 
normally do when stopping the 
hybrid system.
■Electronic key battery
As the above proc edure is a tempo-
rary measure, it is recommended 
that the electronic key battery be 
replaced immediate ly when the bat-
tery is depleted. ( P.485)
■Alarm
Using the mechanical key to lock 
the doors will not set the alarm sys-
tem. If a door is unlocked using the 
mechanical key when the alarm sys-
tem is set, the alarm may be trig-
gered. ( P. 8 2 )
■Changing power switch modes
Release the brake pedal and press 
the power switch in step  3 above. 
The hybrid system does not start 
and modes will be changed each 
time the switch is pressed. ( P.198)
If you have a set of jumper (or 
booster) cables and a second 
vehicle with a 12-volt battery, 
you can jump start your vehicle 
by following the steps below.
1 Confirm that the electronic 
key is being carried.
When connecting the jumper (or 
booster) cables, depending on the 
situation, the alarm may activate 
and doors locked. ( P. 8 3 )
2 Open the hood ( P.456) and 
fuse box cover.
Push claw to completely release 
If  the vehicle 12-volt 
batter y is discharged
The following procedures 
may be used to start the 
hybrid system if the vehi-
cle’s 12-volt battery is dis-
charged.
You can also call your Toy-
ota dealer or a qualified 
repair shop.
Restarting the hybrid sys-
tem 
     
        
        Page 528 of 618
5307-2. Steps to take in an emergency
Owners Manual_USA_M0C031_enthe lock, and them lift up the cover.
3
Open the exclusive jump 
starting terminal cover. 4
Remove the engine cover.
Lift the edge of the cover to disen-
gage the fixed pins, and then pull 
the cover towards you to remove it.
5 Connect a positive jumper cabl e clamp to   on your vehicle and 
connect the clamp on the other end of the positive cable to   on  
the second vehicle. Then, connect a negative cable clamp to   
on the second vehicle and connect the clamp at the other end of 
the negative cable to  . 
     
        
        Page 529 of 618

5317-2. Steps to take in an emergency
Owners Manual_USA_M0C031_en
7
When trouble arises
Exclusive jump starting terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery term inal (second vehicle)
Solid, stationary, unpainted metallic point away from the batte ry 
and any moving parts as shown in the illustration
6 Start the engine of the sec-
ond vehicle. Increase the 
engine speed slightly and 
maintain at that level for 
approximately 5 minutes to 
recharge the 12-volt battery 
of your vehicle.
7 Open and close any of the 
doors of your vehicle with the 
power switch OFF.
8 Maintain the engine speed of 
the second vehicle and start 
the hybrid system of your 
vehicle by turning the power 
switch to ON.
9 Once the vehicle’s hybrid 
system has started, remove 
the jumper cables in the 
exact reverse order from 
which they were connected.
10 When the engine cover 
installing, reverse the step 
removed.
11 Close the exclusive jump 
starting terminal cover, and 
reinstall the fuse box cover to 
its original position.
Once the engine starts, have the 
vehicle inspected at your Toyota 
dealer as soon as possible.
■Starting the hybrid system 
when the battery is discharged
The hybrid system cannot be started 
by push-starting.
■To prevent 12-volt battery dis-
charge
●Turn off the headlights and the 
audio system while the hybrid sys-
tem is off.
●Turn off any unnecessary electri-
cal components when the vehicle 
is running at a low speed for an 
extended period, such as in heavy 
traffic.
■When the 12-volt battery is 
removed or discharged
●Information stored in the ECU is 
cleared. When the 12-volt battery 
is depleted, have the vehicle 
inspected at your Toyota dealer.
●Some systems may require initial-
ization. ( P.571)
■When removing the 12-volt bat-
tery terminals
When the 12-volt battery terminals 
are removed, the information stored 
in the ECU is cleared. Before 
removing the 12-vo lt battery termi-
nals, contact you r Toyota dealer.
■Charging the 12-volt battery
The electricity stored in the 12-volt 
battery will discha rge gradually even 
when the vehicle i s not in use, due 
to natural dischar ge and the drain-
ing effects of certain electrical appli-
ances. If the vehicle is left for a long 
time, the 12-volt  battery may dis-
charge, and the hybrid system may 
be unable to start. (The 12-volt bat-