2012 TOYOTA 4RUNNER key battery

175
2-1. Driving procedures
2
When driving
4RUNNER_U
When stopping the engine with the shift lever in a position other than P
If the engine is stopped with the sh
ift lever in a position other than P,
the “ENGINE START STOP” switch will not be turned off but instead
be turned to ACCESSORY mode. Perform the following procedure to
turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that the indicator on the “ENGINE START STOP”
switch is illuminated in amber and then press the “ENGINE
START STOP” switch once.
Check that the indicator on the “ENGINE START STOP”
switch is off.
■Auto power off function
If the vehicle is left in ACCESSORY or IGNITION ON mode (the engine is
not running) for more than an hour with the shift lever in P, the “ENGINE
START STOP” switch will automatically turn off. However, this function can-
not entirely prevent battery discharge. Do not leave the vehicle with the
“ENGINE START STOP” switch in ACCESSORY or IGNITION ON mode for
long periods of time when the engine is not running.
■ Operation of the “ENG INE START STOP” switch
When operating the “ENGINE START STOP” switch, one short, firm press is
enough. If the switch is pressed improperly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to
press and hold the switch.
■ Electronic key battery depletion
 P. 4 6
■ Conditions aff ecting operation
 P. 4 3
■ Note for the entry function
 P. 3 5
STEP 1
STEP 2
STEP 3
STEP 4

176 2-1. Driving procedures
4RUNNER_U
■If the engine does not start
The engine immobilizer system may not have been deactivated. ( P. 113)
■ Steering lock
After turning the “ENGINE START STOP” switch off and opening and closing
the doors, the steering wheel will be locked due to the steering lock function.
Operating the “ENGINE START STOP” switch again automatically cancels
the steering lock.
■ When the steering lock cannot be released
■ Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be sus-
pended if the engine is turned on and off repeatedly in a short period of time.
In this case, refrain from operating the engine. After about 10 seconds, the
steering lock motor will resume functioning.
■ When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your
Toyota dealer immediately.
■ If the electronic key battery is depleted
 P. 552
The green indicator light on the “ENGINE
START STOP” switch will flash. Press the
“ENGINE START STOP” switch again
while turning the steering wheel left and
right.
CTH21AS019

192 2-2. Instrument cluster
4RUNNER_U
■The meters and display illuminate when (Optitron type meter)
Vehicles without a smart key system:
The engine switch is in the “ON” position.
Vehicles with a smart key system:
The “ENGINE START STOP” switch is in IGNITION ON mode.
■ Eco Driving Indicator Light will not operate in the following conditions
● The shift lever is anything other than D.
● The vehicle speed is approximately 80 mph (130 km/h) or higher.
■ When the average fuel consumption is reset
The average fuel consumption displayed on the accessory meter and “Past
Record” screen of the Display Audio system (if equipped) or the navigation
system (if equipped) will be reset at the same time.
■ The brightness of the instrument panel lights (Optitron type meter)
When the headlight switch is turned to on, the brightness will be reduced
slightly unless the control dial is turned fully upward.
NOTICE
■ To prevent damage to the engine and its components
● Do not let the indicator needle of the tachometer enter the red zone, which
indicates the maximum engine speed.
● The engine may be overheating if the engine coolant temperature gauge is
in the red zone (H). In this case, immediately stop the vehicle in a safe
place, and check the engine after it has cooled completely. ( P. 627)
■ While driving (Optitron type meter)
When the voltmeter indicates more than 19 V or less than 9 V, the battery
may be malfunctioning. Have your vehicle checked at your Toyota dealer.

208 2-3. Operating the lights and wipers
4RUNNER_U
■Automatic light off system
Vehicles without a smart key system
● When the headlights come on: The headlights and tail lights turn off 30
seconds after a door is opened and closed if the engine switch is turned
to the “ACC” or “LOCK” position. (The lights turn off immediately if
on the key is pressed after all the doors are locked.)
● When only the tail lights come on: The tail lights turn off automatically if
the engine switch is turned to the “ACC” or “LOCK” position and the
driver’s door is opened.
To turn the lights on again, turn the engine switch to the “ON” position, or
turn the lights off and then back to or .
Vehicles with a smart key system
● When the headlights come on: The headlights and tail lights turn off 30
seconds after a door is opened and closed if the “ENGINE START
STOP” switch is turned to ACCESSORY mode or turned off. (The lights
turn off immediately if on the key is pressed after all the doors are
locked.)
● When only the tail lights come on: The tail lights turn off automatically if
the “ENGINE START STOP” switch is turned off and the driver’s door is
opened.
To turn the lights on again, turn the “ENGINE START STOP” switch to IGNI-
TION ON mode, or turn the light switch off and then back to or
.
■ Customization that can be co nfigured at Toyota dealer
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features P. 660)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not run-
ning.

440 3-5. Using the interior lights
4RUNNER_U
■Illuminated entry system
Vehicles without a smart key system
The lights automatically turn on/off according to the engine switch position,
whether the doors are locked/unlocked, and whether the doors are open/
closed.
Vehicles with a smart key system
The lights automatically turn on/off according to “ENGINE START STOP”
switch mode, the presence of the electronic key, whether the doors are
locked/unlocked, and whether the doors are open/closed.
■ To prevent battery discharge
If the following lights remain on when the door is not fully closed, the lights
will go off automatically after 20 minutes:
● Engine switch light
● Front interior light (when the switch is in the position)
● Rear interior light (when the switch is in the position)
● Footwell lights
● Inside door handle lights
■ 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. 660)
Personal lights

456 3-7. Other interior features
4RUNNER_U
■For quicker adjustment of the clock
To advance the minutes and hours quickly, press and hold the “M” or “H” but-
ton.
The time can be adjusted back or forth by following the procedure below:
■ The clock is displayed when
Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
Vehicles with a smart key system
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON
mode.
■ When disconnecting and reco nnecting battery terminals
The clock data will be reset.
The hour or minute can be moved for-
ward or backward by pressing the
“MODE/ ” or “SET/ ” button while
pressing and holding the “H” or “M” but-
ton. If the “MODE/ ” or “SET/ ” but-
ton is also pressed and held in the above
operation, the hour or minute will move
faster.

462 3-7. Other interior features
4RUNNER_U
■The power outlet can be used when
Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
Vehicles with a smart key system
The “ENGINE START STOP” switch is in ACCESSORY or IGNITION ON
mode.
NOTICE
■ To avoid damaging the power outlet
Close the power outlet lid when the power outlet is not in use.
Foreign objects or liquids that enter the power outlet may cause a short cir-
cuit.
■ To prevent blown fuse
Do not use an accessory that uses more than 12 V 10 A.
■ To prevent battery discharge
Do not use the power outlet longer than necessary when the engine is not\
running.
Luggage compartment (vehicles with the 120 V AC)
CTH37AS086

Maintenance and care4
501
4RUNNER_U
4-1. Maintenance and careCleaning and protecting the vehicle exterior ......... 502
Cleaning and protecting the vehicle interior .......... 505
4-2. Maintenance Maintenance requirements .................. 508
General maintenance....... 511
Emission inspection and maintenance (I/M)
programs ........................ 515
4-3. Do-it-yourself maintenance
Do-it-yourself service precautions .................... 516
Hood ................................ 519
Engine compartment ........ 520
Tires ................................. 537
Tire inflation pressure ...... 543
Wheels ............................. 547
Air conditioning filter......... 550
Wireless remote control/ electronic key battery
....... 552
Checking and replacing fuses .............................. 555
Light bulbs........................ 565