Page 126 of 580
126 1-7. Theft deterrent system
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure
of the following.
●Nobody is in the vehicle.
● The windows and moon roof are closed before the alarm is set.
● No valuables or other personal items are left in the vehicle.
■ Panic mode
P. 6 5
■ When the battery is disconnected
Be sure to cancel the alarm system.
If the battery is discharged before canceling the alarm, the system may be
triggered when the battery is reconnected.
■ When using the mechani cal key to unlock the doors
Deactivate the alarm.
Page 176 of 580

176 2-1. Driving procedures
■Steering lock release
■ If the hybrid system does not start
The immobilizer system may not have been deactivated. ( P. 120)
■ When the “POWER” switch in dicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer immediately.
■ If the “READY” indicator does not come on
If the “READY” indicator does not come on when you press the “POWER”
switch with the shift lever in P and the brake pedal depressed, contact your
Toyota dealer immediately.
■ Auto power off function
If the vehicle is left in ACCESSORY mode for more than an hour with the
shift lever in P, the “POWER” switch will automatically turn OFF.
■ When the ambient temperature is lo w, such as during winter driving
conditions
It may take time until the “READY” indicator comes on.
■ Sounds and vibrations specific to a hybrid vehicle
P. 3 2
■ When the hybrid system is malfunctioning
P. 492
■ Electronic key battery depletion
P. 5 1
Make sure that the steering wheel lock is
released.
To release the steering wheel lock, gently
turn the wheel left or right while pressing
the “POWER” switch.
When the steering wheel lock does not
release, the “POWER” switch indicator
will flash green.
Page 177 of 580
177
2-1. Driving procedures
2
When driving
■
When the electronic key battery is discharged
P. 517
■ Conditions affecting operation
P. 4 9
■ Note for the entry function
P. 5 1
CAUTION
■When starting the hybrid system
Always start the hybrid system while sitting in the driver's seat. Do not
depress the accelerator pedal while starting the hybrid system under any cir-
cumstances.
Doing so may cause an accident resulting in death or serious injury.
■ Caution when driving
Do not touch the “POWER” switch while driving.
Pressing and holding the “POWER” switch will stop the hybrid system, which
may lead to an unexpected accident.
NOTICE
■To prevent 12-volt battery from being discharge
Do not leave the “POWER” switch in ACCESSORY or ON mode for long
periods without the hybrid system on.
■ When starting the hybrid system
●Do not race a cold hybrid system.
● If the hybrid system becomes difficult to start, have the hybrid system
checked immediately by your Toyota dealer.
Page 403 of 580
Maintenance and care4
403
4-1. Maintenance and care ............................... 404
Cleaning and protecting the vehicle exterior......... 404
Cleaning and protecting the vehicle interior.......... 407
4-2. Maintenance ................... 410 Maintenance requirements .................. 410
General maintenance....... 412
Emission inspection and maintenance (I/M)
programs........................ 415 4-3. Do-it-yourself
maintenance ................. 416
Do-it-yourself service precautions .................... 416
Hood ................................ 420
Positioning the jack .......... 422
Engine compartment ........ 424
Tires ................................. 439
Tire inflation pressure........ 447
Wheels ............................. 451
Air conditioning filter......... 453
Key battery ....................... 456
Checking and replacing fuses .............................. 459
Light bulbs........................ 470
Page 456 of 580
456
4-3. Do-it-yourself maintenance
Key batter y
Replace the battery with a new one if it is discharged.
■You will need the following items:
●Flathead screwdriver (To prevent damage to the key, cover
the tip of the screwdriver with rag.)
● Small Phillips-hea d screwdriver
● Lithium battery CR1632
■ Replacing the battery
Take out the mechanical key.
Remove the cover.
STEP1
STEP2
Page 457 of 580
457
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
If the key battery is discharged
The following symptoms may occur.
●The smart key system and wireless remote control will not function prop-
erly.
● The operational range is reduced.
■ Use a CR1632 lithium battery
●Batteries can be purchased at your Toyota dealer, jewelers, or camera
stores.
● Replace only with the same or equivalent type recommended by your
Toyota dealer.
● Dispose of used batteries according to the local laws.
CAUTION
■Removed battery and other parts
Keep away from children.
These parts are small and if swallowed by a child they can cause choking.
Remove the depleted battery.
Insert a new battery with the
“+” terminal facing up.
STEP3
Page 481 of 580
When trouble arises5
481
5-1. Essential information .... 482If your vehicle needs to be towed ........................ 482
If you think something is wrong ............................. 488
Event data recorder ......... 489
5-2. Steps to take in an emergency .................... 491
If a warning light turns on or a warning buzzer
sounds... ....................... 491
If a warning message is displayed........................ 500
If you have a flat tire......... 501
If the hybrid system will not start .......................... 513
If the shift lever cannot be shifted from P............ 515
If you lose your keys ........ 516
If the electronic key does not operate properly
........ 517
If the vehicle 12-volt battery is discharged .................. 519
If your vehicle overheats ....................... 523
If the vehicle becomes stuck .............................. 527
Page 513 of 580

5
When trouble arises
513
5-2. Steps to take in an emergency
If the hybrid system will not start
Reasons for the hybrid system not starting vary depending on the
situation. Check the following and perform the appropriate proce-
dure:
■ The hybrid system will not start, even though the correct
starting procedure is being followed. ( P. 174)
One of the following may be the cause of the problem.
● The electronic key may not be functioning properly. ( P. 517)
● There may be a malfunction in the immobilizer system.
( P. 120)
● There may be a malfunction in the steering lock system.
● The hybrid system may be malfun ctioning due to an electrical
problem such as an open circuit or a blown fuse. However,
depending on the type of malf unction, an interim measure is
available to start the hybrid system. ( P. 514)
■ The interior lights and headlights 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. 519)
● The 12-volt battery terminal c onnections may be loose or cor-
roded.