2018 TOYOTA TUNDRA battery

5848-2. Steps to take in an emergency
WARNING
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally ignit ing the flam-
mable gas that may be emitted from the battery:
● Make sure each jumper cable is connected to the correct terminal and that
it is not unintentionally in contact with any other than the in tended terminal.
● Do not allow the + and - clamps of the jumper cables to come into contact
with each other.
● Do not smoke, use matches, cigarette lighters or allow open fla me near
the battery.
■ Battery precautions
The battery contains poisonous and corrosive acidic electrolyte , while
related parts contain lead and lead compounds. Observe the foll owing pre-
cautions when handling the battery:
● When working with the battery, always wear safety glasses and t ake care
not to allow any battery fluids (acid) to come into contact wit h skin, clothing
or the vehicle body.
● Do not lean over the battery.
● In the event that battery fluid comes into contact with the skin or eyes,
immediately wash the affected area with water and seek medical attention.
Place a wet sponge or cloth over the affected area until medica l attention
can be received.
● Always wash your hands after handling the battery support, term inals, and
other battery-related parts.
● Do not allow children near the battery.
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure that they do not beco me entan-
gled in the cooling fan or belt.

6059-1. Specifications
9
Vehicle specifications
*: Your Toyota vehicle is filled with “Toyota Genuine Differential Gear Oil” at
the factory. Use Toyota approved “Toyota Genuine Differential Gear Oil” or
an equivalent oil of matching quality to satisfy the above specification.
Please contact your Toyota dealer for further details.
Electrical system
Battery
Open voltage at 68 F
(20 C):12.6  12.8 V Fully charged
12.2
 12.4 V Half charged
11 . 8
 12.0 V Discharged
(Voltage is checked 20 minutes after the engine
and all lights are turned off.)
Charging rates5 A max.
Differential
Oil
capacity
Front (4WD models) 2.2 qt. (2.05 L, 1.8 Imp.qt.)
Rear
1UR-FE engine4.9 qt. (4.60 L, 4.0 Imp.qt.)
3UR-FE
and
3UR-FBE
engines
Double Cab
models
With standard bed
3.8 qt. (3.60 L, 3.2 Imp.qt.)
With long bed
4.0 qt. (3.75 L, 3.3 Imp.qt.)
CrewMax
models
2WD models
4.0 qt. (3.75 L, 3.3 Imp.qt.)
4WD models
3.8 qt. (3.60 L, 3.2 Imp.qt.)
Oil type and viscosity*
Toyota Genuine Differential
Gear Oil LT 75W-85 GL-5 or
equivalent

6199-1. Specifications
9
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure
Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressureThe maximum cold inflated pressure to which
a tire may be inflated, shown on the sidewall
of the tire
Recommended infla-
tion pressureCold tire inflation pressure recommended by a
manufacturer
Accessory weight
The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight
The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine
Maximum loaded vehi-
cle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant
weight150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
*
that follows
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy
duty battery, and special trim

6319-2. Customization
9
Vehicle specifications
■Seat Belt Reminder Buzzer (P. 548)
■Vehicle customization
●When the speed-detecting automatic door lock function and shift position
linked door locking function (shifting gears to a position other than P locks
all doors) are both on, the door lock operates as follows.
• When shifting the shift lever to any position other than P, al l the doors will
be locked.
• If the vehicle is started with all the doors locked, the speed-detecting auto- matic door lock function would not operate.
• If the vehicle is started with any the door unlocked, the spee d-detecting
automatic door lock function will operate.
● When the doors remain closed after unlocking the doors and the automatic
door lock function (Time elapsed before the automatic door lock function is
activated if a door is not opened after being unlocked) activates, the signals
will be generated in accordance with operation signal (buzzers) and the
operation signal (emergency flashers) settings.
FunctionDefault settingCustomized
setting
Vehicle speed linked seat
belt reminder buzzerOnOff—— O
WARNING
■During customization
As the engine needs to be running during customization, ensure that the
vehicle is parked in a place with adequate ventilation. In a closed area such
as a garage, exhaust gases including harmful carbon monoxide (CO) may
collect and enter the vehicle. This may lead to death or seriou s health haz-
ard.
NOTICE
■ During customization
To prevent battery discharge, ensure that the engine is running while cus-
tomizing features.
123

6329-3. Items to initialize
Items to initialize
The following items must be initialized for normal system opera-
tion after such cases as the battery being reconnected, or main -
tenance being performed on the vehicle:
ItemWhen to initializeReference
Moon roof
• After reconnecting or chang- ing the battery
• After changing a fuse
P. 156
Message indicating mainte-
nance is required• After the maintenance is per- formedP. 477
Tire pressure warning sys-
tem• When rotating the tires.
• When changing the tire size.P. 497

654What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your keys, new genuine keys can be made by your Toyota
dealer. (P. 111 )
●Is the wireless key battery weak or depleted? ( P. 516)
●The function may not operate properly due to the condition of t he radio
wave. ( P. 111)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. ( P. 116)
●Is the shift lever in P? ( P. 195)
●Is the battery discharged? ( P. 582)
●Is the engine switch in the “ON” position?
If you cannot release the shift lever by depressing the brake p edal with the
engine switch in the “ON” position. ( P. 201)
If you have a problem, check the following before contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
If you think something is wrongThe engine does not start
The shift lever cannot be shifted from P even if you depress
the brake pedal

658Alphabetical index
iPod............................... 328, 347
MP3/WMA disc ..................... 342
Portable music player.......... 328, 347, 351, 355
Radio .................................... 340
Setup menu .......................... 329
USB memory ................ 328, 351
AUTO LSD system ................... 299
Automatic High Beam ............. 211
Automatic light control system .................................... 206
Automatic transmission Automatic transmission......... 197
If the shift lever cannot be
shifted from P ..................... 201
TOW/HAUL switch ................ 200
AUX port ........................... 328, 355
Auxiliary boxes ........................ 445
Back window Back window ......................... 150
Power back window .............. 151
Back-up lights Replacing light bulbs............. 532
Wattage ................................ 609
Battery ...................................... 492 If the vehicle battery is
discharged .......................... 582
Preparing and checking before winter....................... 312
Warning light ......................... 547
Blind Spot Monitor (BSM) ....... 286
Bluetooth
®
Audio system ....... ......... 363, 369
Hands-free system (for cellular phone) ..... 363, 370
Bottle holders .......................... 444
Brake Fluid ...................................... 490
Parking brake........................ 205
Warning buzzer..................... 547
Warning light ......................... 547 Brake assist ............................. 301
Brake Override System ........... 161
Break-in tips............................. 162
Brightness control
Instrument panel light control .................................. 97
BSM (Blind Spot Monitor) ....... 286
Blind Spot Monitor function............................... 290
Rear Cross Traffic Alert
function............................... 293
Camper information ................ 646
Card holder .............................. 436
Care .................................. 470, 473 Aluminum wheels ................. 471
Exterior ................................. 470
Interior .................................. 473
Seat belts.............................. 474
Cargo capacity......................... 171
Cargo lamp Light switch ........................... 431
Replacing light bulbs ............ 534
Wattage ................................ 609
CD player.................................. 342
Certification label ............ 176, 600
Chains ...................................... 313
Child restraint system............... 56 Booster seats, definition ......... 57
Booster seats, installation....... 66
Convertible seats, definition ... 57
Convertible seats, installation ............................ 65
Front passenger occupant classification syst em ............ 50
Infant seats, definition............. 57
Infant seats, installation .......... 64
Installing CRS with LATCH anchors ............ 62
Installing CRS with seat belts...................................... 64
B
C

659Alphabetical index
Installing CRS with top tether strap ........ 67, 70
Child safety ................................ 55
Airbag precautions .................. 42
Battery precautions ............... 584
Child restraint system ............. 56
How your child should wear the seat belt ................. 34
Installing child restraints ......... 60
Moon roof precautions .......... 157
Power back window precautions ......................... 153
Power window lock switch .... 147
Power window precautions ... 149
Rear door child-protector ...... 116
Removed wireless remote
control battery
precautions ......................... 517
Seat belt extender
precautions ........................... 37
Seat belt precautions .............. 59
Seat heater precautions........ 427
Child-protectors....................... 116
Cleaning ........................... 470, 473 Aluminum wheels.................. 471
Exterior ................................. 470
Interior................................... 473
Seat belts .............................. 474
Clock ......................................... 451
Compass .................................. 465
Condenser ................................ 490
Console box ............................. 435
Coolant ..................................... 488 Capacity ................................ 604
Checking ............................... 488
Preparing and checking before winter....................... 312
Cooling system ........................ 488 Engine overheating ............... 585
CRS ............................................. 56 Cruise control
Cruise control ....................... 266
Dynamic radar cruise control ...................... 252
Cup holders ............................. 442
Curtain shield airbags............... 39
Customizable features ............ 624
Daytime running light system.................................... 209
Deck hooks .............................. 449
Defogger Back window................. 414, 421
Outside rear view mirrors ........................ 414, 421
Windshield .................... 414, 421
Differential................................ 605
Dimensions .............................. 592
Dinghy towing.......................... 194
Display Drive information .................. 101
Dynamic radar
cruise control ...................... 252
LDA
(Lane Departure Alert) ....... 244
Multi-information display ....... 100
Trip information..................... 100
Warning message................. 555
Do-it-yourself maintenance .... 482
D