2008 TOYOTA HIGHLANDER HYBRID battery

438 4-3. Do-it-yourself maintenance
Washer fluidAdd washer fluid in the following
situations.
●Any washer does not work.
● The warning message
appears on the multi-informa-
tion display. ( P. 500)
NOTICE
■When recharging the 12-volt battery
Never recharge the 12-volt battery while the hybrid system is operating.
Also, be sure all accessories are turned off.
NOTICE
■Do not use any fluid other than washer fluid
Do not use soapy water or engine antifreeze instead of washer fluid.
Doing so may cause streaking on the vehicle’s painted surfaces.
■ Diluting washer fluid
Dilute washer fluid with water as necessary.
Refer to the freezing temperatures listed on the washer fluid tank.

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

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

458 4-3. Do-it-yourself maintenance
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
●Always work with dry hands.
Moisture may cause the battery to rust.
● Do not touch or move any other components inside the remote control.
● Do not bend either of the battery terminals.

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

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.

514 5-2. Steps to take in an emergency
Emergency start functionWhen the hybrid system does not start, the following steps can be
use as an interim measure to start the hybrid system if the “POWER”
switch is functioning normally.
Set the parking brake.
Shift the shift lever to P.
Turn the “POWER” switch to the ACCESSORY mode.
Push and hold the “POWER” switch about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid system can be started using the above steps, the
system may be malfunctioning. Ha ve the vehicle checked by your
Toyota dealer.
■ 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 ba ttery terminals may be discon-
nected.
● The 12-volt battery may be discharged. ( P. 519)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP1
STEP2
STEP3
STEP4

5
When trouble arises
517
5-2. Steps to take in an emergency
If the electronic key does not operate properly
Locking and unlocking the doors, and mechanical key linked functions
Locks all doors
Unlocks all doors
Turning the key rearward unlocks
the driver’s door. Turning the key
once again unlocks the other
doors.
Changing “POWER” switch modes and starting the hybrid system
Shift the shift lever to P and apply the brakes.
Touch the Toyota emblem side of
the electronic key to the
“POWER” switch.
An alarm will sound to indicate
that the start function cannot
detect the electronic key that is
touched to the “POWER” switch if
any of the doors is opened and
closed while the key is touched to
the switch.
If communication between the electronic key and vehicle is inter-
rupted (P. 49) 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 can be opened or the
hybrid system can be started by following the procedure below.
STEP1
STEP2