2023 TOYOTA TUNDRA HYBRID battery

5568-1. Specifications
Owners Manual_USA_M0C052_en
Production options weight
The combined weight of installed regular
production 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
Rim
A metal support for a tire or a tire and tube
assembly upon which the tire beads are
seated
Rim diameter (Wheel diame-
ter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation
for a rim by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity weight (Total
load capacity)The rated cargo and luggage load plus 150
lb. (68 kg) times the vehicle’s designated
seating capacity
Vehicle maximum load on the
tire
The load on an individua l tire that is deter-
mined by distributing to each axle its share
of the maximum loaded vehicle weight,
and dividing by two
Vehicle normal load on the tire
The load on an individua l tire that is deter-
mined by distributing to each axle its share
of curb weight, accessory weight, and nor-
mal occupant weight (distributed in accor-
dance with Table 1
* below), and dividing by
two
Weather sideThe surface area of the rim not covered by
the inflated tire
Bead
The part of the tire that is made of steel
wires, wrapped or reinforced by ply cords
and that is shaped to fit the rim
Bead separationA breakdown of the bond between compo-
nents in the bead
Tire related termMeaning

5618-2. Customization
Owners Manual_USA_M0C052_en
8
Vehicle specifications
8-2.Customization
■Changing by using the
meter control switches
1 Press or to select .
2 Operate the meter control
switches to select the desired
item to be customized.
3 According to the display,
select the desired setting and
then press .
To go back to the previous screen
or exit the customize mode, press .
■Changing by using the mul-
timedia system
1 Select on the main menu
2 Select “Vehicle customize”.
3 According to the display,
select the desired setting.
Various setting can be changed.
Refer to the list of settings that can
be changed for details.
Some function settings are changed simultaneously with other fu nc-
tions being customized. Contact y our Toyota dealer for further
details.
Settings that can be changed using the multimedia system
Settings that can be changed using the multi-information display
Settings that can be changed by your Toyota dealer
Customizable features
Your vehicle includes a vari-
ety of electronic features
that can be personalized to
your preferences. The set-
tings of these features can
be changed by using the
multi-information display,
the multimedia system or at
your Toyota dealer.
Customizing vehicle fea-
tures
WARNING
■During customization
As the hybrid system needs to be
operating during customization,
ensure that the vehicle is parked
in a place with adequate ventila-
tion. 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 a seri-
ous health hazard.
NOTICE
■During customization
To prevent 12-volt battery dis-
charge, ensure that the hybrid
system is operating while custom-
izing features.
Customizable features

5718-3. Initialization
Owners Manual_USA_M0C052_en
8
Vehicle specifications
8-3.Initialization
*: If equipped
Items to initialize
The following items must be initialized for normal system
operation after such cases as the 12-volt battery being recon-
nected, or maintenance being performed on the vehicle:
List of items to initialize
ItemWhen to initializeReference
PKSB (Parking
Support Brake)• After reconnecting or changing the 12-volt batteryP.292
Maintenance
required reminder
message• After the maintenance is per-formedP.449, 459
Tire pressure warn-
ing system
• When the tire inflation pressure is changed, such as when
changing traveling speed or load
weight.
• When the tire inflation pressure is changed, such as when the
tire size is changed.
• When rotating the tires.
• After performing the transmitter
ID code registration procedure.
P.470
Toyota parking
assist monitor
*• 12-volt battery has been rein-
stalled.
• The steering wheel has been moved while the 12-volt battery
was being reinstalled.
• 12-volt battery power is low.
P.307, 341, 354Panoramic view
monitor
*
Multi-terrain Moni-
tor
*

590What to do if... (Troubleshooting)
Owners Manual_USA_M0C052_en
10-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
 If you lose your keys, new
keys can be made by your
Toyota dealer. ( P.526)
 If you lose your electronic
keys, the risk of vehicle theft
increases significantly. Con-
tact your Toyota dealer imme-
diately. ( P.526)
 Is the electronic key battery
weak or depleted? ( P.484)
 Is the power switch in ON?
When locking the doors, turn the
power switch off. ( P.198)
 Is the electronic key left inside
the vehicle?
When locking the doors, make sure
that you have the electronic key on your person.

The function may not operate
properly due to the condition
of the radio wave. ( P.130)
 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. 1 1 6 )
 Did you press the power
switch while firmly depress-
ing the brake pedal?
( P.195)
 Is the shift lever in P?
( P.195)
 Is the electronic key any-
where detectable inside the
vehicle? ( P.128)
 Is the electronic key battery
weak or depleted?
In this case, the h ybrid system can
be started in a temporary way.
(  P.528)
 Is the 12-volt battery dis-
charged? ( P.529)
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 electronic key does
not operate properly
The doors cannot be
locked or unlocked
The rear door cannot be
opened
If you think something is
wrong
The hybrid system does
not start

594Alphabetical Index
Owners Manual_USA_M0C052_en
B
Back window Power back window ............. 163
Back-up lights Replacing light bulbs ............ 490
Battery (12-volt battery) ......... 463 Battery checking................... 463
If the 12-volt battery is dis-charged .............................. 529
Preparing and c hecking before
winter.................................. 395
Warning light ........................ 502
Battery (traction battery) ......... 76
Bed hooks ............ ................... 417
Bed lamp ................................. 410 Replacing light bulbs ............ 490
Blind Spot Monitor (BSM) ...... 267 Enabling/disabling the system........................................... 269
Trailer settings ...................... 100
Boost Meter .............................. 94
Bottle holders ......................... 415
Brake Brake hold ............................ 208
Fluid ............................. 461, 546
Parking brake ....................... 205
Regenerative braking ............. 74
Warning light ........................ 501
Brake assist ............................ 374
Brake hold ............................... 208
Brake Override System .......... 172
Break-in tips ........ ................... 172
Brightness control Instrument panel light control . 94
BSM (Blind Spot Monitor) ...... 267 Enabling/disabling the system........................................... 269
Trailer settings ...................... 100
C
Camper information ...............585
Care..................................442, 445 Aluminum wheel ornaments .442
Aluminum wheels .................442
Exterior .................................442
Hybrid battery (tr action battery)
air intake vents ...................481
Interior ..................................445
Seat belts .............................445
Cargo and luggage .................178
Cargo capacity ........................180
Cargo lamp ..............................410 Replacing light bulbs ............490
Chains......................................397
Child restraint system ..............53 Fixed with a LATCH system ...60
Fixed with a seat belt..............62
Front passenger occupant clas-sification system ...................46
Points to remember ................53
Riding with children ................52
Types of child restraint system installation method ...............55
Using an anchor bracket ........58
Child safety ...............................52 12-volt battery precautions ...464
Airbag precautions .................41
Battery precautions ..............533
Child restraint system .............55
Heated steering wheel and seat heater precautio ns..............407
How your child should wear the seat belt ................................30
Panoramic moon r oof ...........166
Power back window..............163
Power window lock switch ....162
Power window precautions...161
Rear door child-protectors .... 116
Removed electronic key battery precautions .........................485

596Alphabetical Index
Owners Manual_USA_M0C052_en
Downhill assist control system ............................................... 372
Drive distance ........................... 98
Drive information ..................... 98
Drive-start control .................. 177
Driving ..................................... 171 Break-in tips ......................... 172
Correct driving posture ........... 27
Hybrid Electric Vehicle driving tips...................................... 390
Procedures ........................... 171
Winter drive tips ................... 395
Driving information display ..... 97
Driving mode sel ect switch ... 358
Driving position memory ....... 137 Memory recall function ......... 139
Power easy access system .. 137
Driving range ............................ 97
Dynamic radar cruise control with full-speed range ........... 256Approach warning ................ 263
Warning message ................ 265E
ECB (Electronically Controlled Brake System).......................374Warning light.........................501
EDR (Event data recorder) .........8
Elapsed time .............................98
Electric motor (t raction motor)73
Electric Power Steering (EPS) ...............................................375Warning light.........................503
Electronic key ......................... 110 Battery-saving function .........129
If the electronic key does not operate properly .................527
Replacing the battery ...........484
Electronic sunshade ..............164
Electronically Controlled Brake System (ECB) ........................374Warning light.........................501
Electronically modulated air sus- pension ..................................355
Emergency flashers ...............494
Emergency tire puncture .......515
Emergency, in case of If a warning buzzer sounds ..501
If a warning light turns on .....501
If a warning message is dis-played ................................. 511
If the 12-volt battery is dis- charged ..............................529
If the electronic key does not operate properly .................527
If the fuel door cannot be opened ...........................................526
If the hybrid sys tem will not start
...........................................524
If the vehicle is submerged or water on the road is rising ..495
If you have a flat tire .............515
If you lose your keys.............526
If you think something is wrong

598Alphabetical Index
Owners Manual_USA_M0C052_en
Fuel gauge ............................. 91
Information ........................... 549
Opening the fuel tank cap .... 222
Type ..................................... 542
Warning light ........................ 507
Fuel consumption Average fuel economy ........... 97
Current fuel consumption ....... 97
Fuel door When the fuel door cannot be opened ............................... 526
Fuel economy ......... .................. 97
Fuel gauge ................................ 91
Fuses ....................................... 486
G
Garage door opener ............... 433
Gauges ...................................... 91
Glove box ................................ 413
Glove box light ....................... 410
H
Head restraints ....................... 140
Head-up display ..................... 102 Driving support system display area .................................... 104
HUD (Head-up display) switch ........................................... 103
Hybrid System Indicator ....... 105
Navigation system-linked dis- play area ............................ 104
Outside temperature ............ 102
Pop-up display ..................... 104
Settings ................................ 103
Headlights Automatic High Beam system........................................... 214
Light switch .......................... 211
Replacing light bulbs ............ 490
Heated steering wheel ........... 407
Heaters Automatic air conditioning sys-
tem .....................................400
Heated steering wheel..........407
Outside rear view mirrors .....401
Seat heaters ....... ..................407
High mounted stoplight Replacing light bulbs ............490
High-voltage components .......76
Hill-start assist control...........375
Hood ........................................456 Open.....................................456
Hooks Coat hooks ...........................426
Retaining hooks (floor mat) ....26
Horn .........................................144
HUD (Head-up display) switch ...............................................103
Hybrid battery (traction battery) Location ..................................76
Warning message...................79
Hybrid battery (traction battery) air intake vents .......................79Cleaning ...............................481
Hybrid Electric Vehicle driving tips .........................................390
Hybrid Power Meter ..................94
Hybrid system .... .......................73
Acoustic vehicle alerting system .............................................75
Emergency shut off system ....79
High voltage components .......76
Hybrid system precautions .....76
If the hybrid sys tem will not start
...........................................524
Power (ignition) switch .........195
Regenerative braking .............74
Starting the hybrid system ....195
Warning lights .......................502
Hybrid System Indicator ..97, 105

Owners Manual_USA_M0C052_en
Alphabetical Index599
I
IdentificationVehicle.................................. 541
Ignition switch (power switch) ............................................... 195Auto power off function ........ 198
Changing the power switch modes ................................ 198
If your vehicle has to be stopped in an emergency................. 494
Starting the hybrid system.... 195
Immobilizer system .................. 81
Indicators .................................. 89
Initialization Items to initialize................... 571
Parking Support Brake ......... 292
Power windows .................... 160
Tire pressure warning system........................................... 470
Inside rear view mirror........... 145
Instrument panel light control. 94
Intercooler ............................... 461
Intercooler coolant ................. 460 Capacity ............................... 544
Checking .............................. 460
Interior lights .......................... 410 Wattage ................................ 548
Interior lights list .................... 410
Intuitive parking assist .......... 274 Enabling/disabling the system........................................... 275
Function ............................... 274
Warning lights....................... 504
Warning message ................ 276
J
Jam protection function Electronic sunshade ............. 165
Panoramic moon roof ........... 165
Power running boards .......... 118
Power windows .................... 160
K
Keyless entrySmart key system .................128
Wireless remote control........ 111
Keys ......................................... 110 Battery-saving function .........129
Electronic key ....................... 110
If the electronic key does not operate properly .................527
If you lose your keys.............526
Key number plate ................. 110
Keyless entry ........ 113, 120, 128
Mechanical key..................... 110
Power switch ........................195
Replacing the battery ...........484
Warning buzzer ....................128
Wireless remote control........ 111
Knee airbags .............................36
L
Lane Tracing Assist (LTA) ......242 Operation..............................242
Warning lights .......................504
Warning messages ...............252
Language (multi-information dis- play) .........................................99
LATCH anchors.........................60
Lever Auxiliary catch lever .............456
Hood lock release lever ........456
Shift lever .............................201
Turn signal lever ...................204
Wiper lever ...........................218
License plate lights Light switch........................... 211
Replacing light bulbs ............490
Light bulbs Replacing .............................489
Lights Ambient lights ....................... 411
Automatic High Beam system