2010 TOYOTA COROLLA key battery

128 2-1. Driving procedures
■Steering lock release
■ If the engine does not start
The engine immobilizer system may not have been deactivated. ( P. 78)
■ When the “ENGINE START STOP” s witch 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. 2 9
■ When the electronic key battery is discharged
P. 346
■ Conditions affecting operation
P. 2 7
■ Note for the entry function
P. 2 9
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.
If the steering wheel lock does not
release, the “ENGINE START STOP”
switch indicator will flash green.

133
2-1. Driving procedures
2
When driving
NOTICE
■
To prevent battery discharge
Do not leave the key in the “ACC” or “ON” position for long periods if the
engine is not running.
■ When starting the engine
●2.4 L 4-cylinder (2AZ-FE) 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.

156 2-3. Operating the lights and wipers
■Daytime running light system
To make your vehicle more visible to other drivers, the headlights turn on
automatically whenever the engine is started and the parking brake is
released.
The brightness of headlights will automatically change depending on the
darkness of the surroundings. The other exterior lights and instrument panel
lights automatically turn on or off.
■ Daytime running light control sensor
■ Light reminder buzzer
Vehicles without smart key system
A buzzer sounds when the engine switch is turned OFF and the driver's door
is opened with the key removed from the engine switch while the lights are
turned on. Vehicles with smart key system
A buzzer sounds when the “ENGINE START STOP” switch is turned OFF or
to ACCESSORY mode and the driver's door is opened while the lights are
turned on.
NOTICE
■ To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not run-
ning.
The sensor may not function properly if
an object is placed on the sensor, or any-
thing that blocks the sensor is affixed to
the windshield.
Doing so interferes with the sensor
detecting the level of ambient light and
may cause the daytime running light sys-
tem to malfunction.

265
3-4. Using the interior lights
3
Interior features
■
Illuminated entry system
Vehicles without moon roof
The interior light (with the switch in the “DOOR” position) and “ENGINE
START STOP” switch light (vehicles with smart key system) automatically
turn on/off according to “ENGINE START STOP” switch mode (vehicles with
smart key system) or engine switch pos ition (vehicles without smart key sys-
tem), the presence of the electronic key (vehicles with smart key system),
whether the doors are locked/unlocked (vehicles with power door lock sys-
tem) and whether the doors are open/closed.
Vehicles with moon roof
The interior light, personal/interior lights (with the switch in the “DOOR” posi-
tion) and “ENGINE START STOP” switch light (vehicles with smart key sys-
tem) automatically turn on/off according to “ENGINE START STOP” switch
mode (vehicles with smart key system) or engine switch position (vehicles
without smart key system), the presence of the electronic key (vehicle\
s with
smart key system), whether the doors are locked/unlocked (vehicles with
power door lock system) and whether the doors are open/closed.
■ To prevent the battery from being discharged
If the interior light, personal/interior lights (vehicles with moon roof) and
“ENGINE START STOP” switch light (vehicles with smart key system)
remain on when the door is not fully closed and the switch is in the “DOOR”
position, the lights will go off automatically after 20 minutes.
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. The time elapsed before lights turn off) can be changed.
(Customizable features P. 449)

Maintenance and care4
293
4-1. Maintenance and careCleaning and protecting the vehicle exterior......... 294
Cleaning and protecting the vehicle interior.......... 296
4-2. Maintenance Maintenance requirements .................. 299
General maintenance....... 301
Emission inspection and maintenance (I/M)
programs........................ 304 4-3. Do-it-yourself maintenance
Do-it-yourself service precautions .................... 305
Hood ................................ 309
Positioning a floor jack ..... 311
Engine compartment ........ 314
Tires ................................. 330
Tire inflation pressure ...... 338
Wheels ............................. 342
Air conditioning filter......... 344
Key battery ....................... 346
Checking and replacing fuses .............................. 350
Light bulbs........................ 360

307
4-3. Do-it-yourself maintenance
4
Maintenance and care
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.
■ When working near the electric c ooling fans or radiator grille
Vehicles with smart key system: Be sure the “ENGINE START STOP” switch
is OFF. With the “ENGINE START STOP” switch in IGNITION ON mode, the
electric cooling fans may automatically start to run if the air conditioning is on
and/or the coolant temperature is high. ( P. 322)
Vehicles without smart key system: Be sure the engine switch is OFF. With
the engine switch in the “ON” position, the electric cooling fans may auto-
matically start to run if the air conditioning is on and/or the coolant tempera-
ture is high. ( P. 322)
■ Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from
getting in the eyes.

326 4-3. Do-it-yourself maintenance
Type BGreen: Good condition
Dark: Charging is necessary.
Have the vehicle inspected by
your Toyota dealer.
Clear or light yellow: Not
working properly. Have the
vehicle checked by your
Toyota dealer.
■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.
STEP 1
STEP 2
STEP 3

346
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 a rag.)
● Small Phillips-hea d screwdriver
● Lithium battery
Vehicles with smart key system: CR1632
Vehicles without smart ke y system: CR2025 (Type A)
CR2016 (Type B)
■ Replacing the battery (vehicles with smart key system)
Take out the mechanical key.
Remove the cover.
STEP 1
STEP 2