2009 TOYOTA HIGHLANDER HYBRID battery

446 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. 509)
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.
CAUTION
■When adding the washer fluid
Do not add the washer fluid when the engine is hot or running, as the washer
fluid contains alcohol and may catch fire if spilled on the engine etc.
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.

464
4-3. Do-it-yourself maintenance
Electronic key battery
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 a rag.)
● Small Phillips-head screwdriver
● Lithium battery CR1632
■ Replacing the battery
Take out the mechanical key.
Remove the cover.
STEP1
STEP2

465
4-3. Do-it-yourself maintenance
4
Maintenance and care
■
If the electronic 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

466 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
489
5-1. Essential informationEmergency flashers ......... 490
If your vehicle needs to be towed ........................ 491
If you think something is wrong ......................... 497
Event data recorder ......... 498 5-2. Steps to take in an
emergency
If a warning light turns on or a warning buzzer
sounds... ....................... 500
If a warning message is displayed........................ 509
If you have a flat tire......... 510
If the hybrid system will not start .......................... 522
If the shift lever cannot be shifted from P................. 524
If you lose your keys ........ 525
If the electronic key does not operate properly....... 526
If the 12-volt battery is discharged ..................... 528
If your vehicle overheats ....................... 532
If the vehicle becomes stuck .............................. 536

490
5-1. Essential information
Emergency flashers
NOTICE
■To prevent battery discharge
Do not leave the emergency flashers on longer than necessary when the
hybrid system is not operating.
Use the emergency flashers if the vehicle malfunctions or is
involved in an accident.
Vehicles without navigation system
Press the switch to flash all
the turn signal lights. To turn
them off, press the switch
once again.
Vehicles with navigation system Press the switch to flash all
the turn signal lights. To turn
them off, press the switch
once again.

522
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 a nd perform the appropriate proce-
dure:
■ The hybrid system will not start, even though the correct
starting procedure is being followed. ( →P. 178)
One of the following may be the cause of the problem.
● The electronic key may not be functioning properly. ( →P. 526)
● There may be a malfunction in the immobilizer system.
(→ P. 123)
● 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. 523)
■ 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. 528)
● The 12-volt battery terminal c onnections may be loose or cor-
roded.

5
When trouble arises
523
5-2. Steps to take in an emergency
Emergency start function
When the hybrid system does not start, the following steps can be
used 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 ACCESSORY mode.
Push and hold the “POWER” switch about 15 seconds while
depressing the brake pedal firmly.
Even if the hybrid sy stem can be started usi ng 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. 528)
Contact your Toyota dealer if the problem cannot be repaired, or if
repair procedures are unknown.
STEP1
STEP2
STEP3
STEP4