2013 TOYOTA TUNDRA Battery

194 2-2. Instrument cluster
Instrument panel light controlThe brightness of the instrument panel lights can be adjusted.
Brighter
Darker
Vehicles with multi-information
display
With the dial turned fully up, the
intensity of the instrument panel
lights will not be reduced even
when the tail lights/headlights are
turned on.
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. 654)
■ While driving
●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.
● When the engine oil pressure gauge does not work properly, immediately
stop the engine and contact your Toyota dealer.
● When the automatic transmission fluid temperature gauge needle continu-
ally points higher than normal, immediately contact your Toyota dealer. (if
equipped)

214 2-3. Operating the lights and wipers
■Automatic light off system
●When the headlights come on: The headlights and tail lights automati-
cally turn off after 30 seconds when all doors are closed with the engine
switch turned to the ACC or LOCK position. (The lights turn off immedi-
ately if the button on the wireless remote control is pressed after all
doors are locked.)
● When only the tail lights come on: The tail lights turn off automatically
with the engine switch turned to the ACC or LOCK position and the
driver’s door is opened.
Vehicles with automatic light control system: If any of the doors is kept open,
the lights automatically turn off after 20 minutes.
To turn the lights on again, turn the engine switch to the ON position, or turn
the headlight switch off once and then back to the or position.
■ Customization
●That can be configured at Toyota dealer. (vehicles without multi-informa-
tion display)
Settings (automatic light off system) can be changed. (Customizable
features P. 701)
● It is possible to change the settings. (vehicles with multi-information dis-
play) (Feature customization P. 203)
NOTICE
■To prevent battery discharge
Do not leave the lights on longer than necessary when the engine is not run-
ning.

268
2-5. Driving information
Winter driving tips
Carry out the necessary preparations and inspections before driving
the vehicle in winter. Always drive the vehicle in a manner appropri-
ate to the prevailing weather conditions.
■ Pre-winter preparations
●Use fluids that are appropriate to the prevailing outside tem-
peratures.
• Engine oil
• Engine coolant
• Washer fluid
● Have a service technician inspect the level and specific grav-
ity of battery electrolyte.
● Have the vehicle fitted with four snow tires or purchase a set
of tire chains for the rear tires.
Ensure that all tires are the same size and brand, and that chains
match the size of the tires.
■Before driving the vehicle
Perform the following according to the driving conditions.
●Do not try to forcibly open a window, scrape an outside rear
view mirror surface or move a wiper or outside rear view mir-
ror that is frozen. Pour warm water over the frozen area to
melt the ice. Wipe away the water immediately to prevent it
from freezing.
● To ensure proper operation of th e climate control system fan,
remove any snow that has accumulated on the air inlet vents
in front of the windshield.
● Remove any ice that has accumu lated on the vehicle chassis.
● Periodically check for and remove any excess ice or snow
that may have accumulated in the wheel well or on the
brakes.

306 3-1. Using the air conditioning system and defogger
• The start timing of the blower may be delayed for a short period of time
immediately after the air conditioning system is started in automatic
mode.
CAUTION
■ To prevent the windshield from fogging up
Do not use during cool air operation in extremely humid weather. The
difference between the temperature of the outside air and that of the wind-
shield can cause the outer surface of the windshield to fog up, blocking your
vision.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the
engine is stopped.

314 3-1. Using the air conditioning system and defogger
CAUTION
■To prevent the windshield from fogging up
Do not set the air outlet selection dial to during cool air operation in
extremely humid weather. The difference between the temperature of the
outside air and that of the windshield can cause the outer surface of the
windshield to fog up, blocking your vision.
NOTICE
■To prevent battery discharge
Do not leave the air conditioning system on longer than necessary when the
engine is stopped.

323
3-2. Using the audio system
3
Interior and exterior features
CAUTION
■
For vehicles sold in U.S.A. and Canada
●Part 15 of the FCC Rules
FCC Warning:
Any unauthorized changes or modifications to this equipment will void the
user’s authority to operate this device.
● Laser products
• Do not take this unit apart or attempt to make any changes yourself.
This is an intricate unit that uses a laser pickup to retrieve information
from the surface of compact discs. The laser is carefully shielded so
that its rays remain inside the cabinet. Therefore, never try to disas-
semble the player or alter any of its parts since you may be exposed to
laser rays and dangerous voltages.
• This product utilizes a laser. Use of controls or adjustments or performance of procedures other
than those specified herein may result in hazardous radiation expo-
sure.
NOTICE
■ To prevent battery discharge
Do not leave the audio system on longer than necessary with the engine o\
ff.
■ To avoid damaging the audio system
Take care not to spill drinks or other fluids over the audio system.

329
3-2. Using the audio system
3
Interior and exterior features
■
When the battery is disconnected
All preset stations are erased. (type A only)
■ Reception sensitivity
●Objects, especially metal objects, such as cargo, a camper, or a truck
rack, may adversely affect the reception of XM
® Satellite Radio.
● Maintaining perfect radio reception at all times is difficult due to the con-
tinually changing position of the antenna, differences in signal strength
and surrounding objects, such as trains, transmitters, etc.
■ XM
® Satellite Radio
An XM
® Satellite Radio is a tuner designed exclusively to receive broadcasts
provided under a separate subscription. Availability is limited to the 48 con-
tiguous states and 10 Canadian provinces.
● XM
® subscriptions
For detailed information about XM® Satellite Radio or to subscribe:
U.S.A. 
Visit on the web at www.xmradio.com
or call 1-800-967-2346.
Canada 
Visit on the web at www.xmradio.ca
or call 1-877-209-0079.
● Radio ID
You will need the radio ID when activating XM
® service or reporting a
problem. Select “CH000” using
or , and the receiver’s
8-character ID number will appear.
● Satellite tuner
The tuner supports only Audio Services (Music and Talk) and the accom-
panying Text Information of XM
® Satellite Radio.

374
3-3. Using the Bluetooth® audio system
Bluetooth® audio system
: If equipped
■Conditions under which th e system will not operate
● If using a portable player that does not support Bluetooth
®
●If the portable player is switched off
● If the portable player is not connected
● If the portable player’s battery is low
● If the portable player is behind the seat or in the glove box or console box
● If metal is covering or touching the portable player
The Bluetooth® audio system enables you to enjoy music played on
a portable digital audio player (portable player) from the vehicle
speakers via wireless communication.
This audio system supports Bluetooth
®, a wireless data system
capable of playing portable audio music without cables. If your por-
table player does not support Bluetooth
®, the Bluetooth® audio sys-
tem will not function.
Owners of models equipped with a navigation system should refer to
the “Navigation System Owner’s Manual”.
TitlePage
Using the Bluetooth® audio systemP. 377
Operating a Bluetooth® enabled portable playerP. 382
Setting up a Bluetooth® enabled portable playerP. 384
Bluetooth® audio system setupP. 389