2010 TOYOTA HIGHLANDER key battery

124 1-6. 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. 5 6
■ When the battery is disconnected
Be sure to cancel the alarm system.
If the battery is disconnected before canceling the alarm, the system may be
triggered when the battery is reconnected.
■ When using the key to unlock the doors
Deactivate the alarm.
■ Deactivating or stopping the alarm
Unlock the doors using the wireless remote control door lock
function or the entry function (v ehicles with smart key system).

175
2-1. Driving procedures
2
When driving
■
Steering lock release
■ If the engine does not start
The engine immobilizer system may not have been deactivated. ( P. 115)
■ When the “ENGINE START STOP” sw itch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by 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 “ENGINE START STOP” switch will automatically turn off.
■ Key battery depletion
P. 4 0
■ When the electronic key battery is discharged
P. 473
■ Conditions affecting operation
P. 3 8
■ Note for the entry function
P. 4 0
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 “ENGINE START STOP” switch.
When the steering wheel lock is not
released, the “ENGINE START STOP”
switch indicator will flash in green.

179
2-1. Driving procedures
2
When driving
NOTICE
■
To prevent battery discharge
Do not leave the key in the “ACC” or “ON” position for a long period if the
engine is not running.
■ When starting the engine
●Do not crank for more than 30 seconds at a time. This may overheat the
starter and wiring systems.
● Do not race a cold engine.
● If the engine becomes difficult to start or stalls frequently, have the engine
checked immediately.

206 2-3. Operating the lights and wipers
■Automatic light off system
Vehicles without smart key system
The headlights and tail lights turn off 30 seconds after drivers door is opened
and closed if the engine switch has been turned to the “ACC” or “LOCK”
position.
To turn the lights on again, turn the engine switch to the “ON” position, or
turn the headlight switch off and then back to or .
Vehicles with smart key system
The headlights and tail lights turn off 30 seconds after drivers door is opened
and closed if the “ENGINE START STOP” switch has been turned to
ACCESSORY mode or turned to OFF.
To turn the lights on again, turn the “ENGINE START STOP” switch to IGNI-
TION ON mode, or turn the headlight switch off and then back to or .
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. daytime running light system) can be changed.
(Customizable features P. 582)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not run-
ning.

Maintenance and care4
415
4-1. Maintenance and careCleaning and protecting the vehicle exterior......... 416
Cleaning and protecting the vehicle interior.......... 419
4-2. Maintenance Maintenance requirements .................. 422
General maintenance....... 424
Emission inspection and maintenance (I/M)
programs........................ 427 4-3. Do-it-yourself maintenance
Do-it-yourself service precautions .................... 428
Hood ................................ 432
Positioning a floor jack ..... 434
Engine compartment ........ 437
Tires ................................. 453
Tire inflation pressure ...... 463
Wheels ............................. 467
Air conditioning filter......... 469
Wireless remote control/electronic
key battery ..................... 472
Checking and replacing fuses .............................. 475
Light bulbs........................ 486

430 4-3. Do-it-yourself maintenance
CAUTION
The engine compartment contains many mechanisms and fluids that may
move suddenly, become hot, or become electrically energized. To avoid death
or serious injury observe the following precautions.
■When working on the engine compartment
●Keep hands, clothing, and tools away from the moving fan and engine
drive belt.
● Be careful not to touch the engine, radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil and other fluids may also be hot.
● Do not leave anything that may burn easily, such as paper or rags, in the
engine compartment.
● Do not smoke, cause sparks or expose an open flame to fuel or the bat-
tery. Fuel and battery fumes are flammable.
● Be extremely cautious when working on the battery. It contains poisonous
and corrosive sulfuric acid.
● Take care because brake fluid can harm your hands or eyes and damage
painted surfaces.
If fluid gets on your hands or in your eyes, flush the affected area with
clean water immediately.
If you still experience discomfort, see a doctor.
● Do not touch the engine compartment when the electric cooling fan is
operating.
Vehicles without smart key system: The electric cooling fan may keep
rotating for about 3 minutes even after the engine switch is turned to the
“LOCK” position.
With the engine switch in the “ON” position, the electric cooling fan may
automatically start to run if the air conditioning is on and/or the coolant
temperature is high. Be sure the engine switch is in the “LOCK” position
when working near the electric c ooling fan or radiator grille.
Vehicles with smart key system: The electric cooling fan may keep rotating
for about 3 minutes even after the “ENGINE START STOP” switch is OFF.
With the “ENGINE START STOP” switch in IGNITION ON mode, the elec-
tric cooling fan may automatically start to run if the air conditioning is on
and/or the coolant temperature is high. Be sure the “ENGINE START
STOP” switch is OFF when working near the electric cooling fan or radia-
tor grille.

450 4-3. Do-it-yourself maintenance
■Before recharging
When recharging, the battery produces hydrogen gas which is flammable
and explosive. Therefore, before recharging:
●If recharging with the battery installed on the vehicle, be sure to discon-
nect the ground cable.
● Make sure the power switch on the charger is off when connecting and
disconnecting the charger cables to the battery.
■ After recharging the battery (vehicles with smart key system)
The engine may not start. Follow the procedure below to initialize the sys-
tem.
Shift the shift lever to P.
Open and close any of the doors.
Restart the engine.
CAUTION
■Chemicals in the battery
A battery contains poisonous and corrosive sulfuric acid and may produce
hydrogen gas which is flammable and explosive. To reduce the risk of death
or serious injury, take the following precautions while working on or near bat-
tery:
● Do not cause sparks by touching the battery terminals with tools.
● Do not smoke or light a match near the battery.
● Avoid contact with eyes, skin and clothes.
● Never inhale or swallow electrolyte.
● Wear protective safety glasses when working near the battery.
● Keep children away from the battery.
■ Where to safety charge the battery
Always charge the battery in an open area. Do not charge the battery in a
garage or closed room where there is not sufficient ventilation.
STEP1
STEP2
STEP3

472
4-3. Do-it-yourself maintenance
Wireless remote control/electronic 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 a rag.)
● Small Phillips-hea d screwdriver
● Lithium battery CR2032 (vehicles without smart key system),
CR1632 (vehicles with smart key system)
■ Replacing the battery (vehicles without smart key system)
Remove the cover using a
coin protected with tape etc.
Remove the discharged trans-
mitter battery.
Insert a new battery with the
“+” terminal facing up.
STEP1
STEP2