2023 TOYOTA TUNDRA HYBRID brake

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

Owners Manual_USA_M0C052_en
591What to do if... (Troubleshooting)
Is the power switch in ON?
If you cannot release the shift lever
by depressing the brake pedal with
the power switch in ON. ( P.201)
 Is the window lock switch
pressed?
The power window except for the
one at the driver’s seat cannot be
operated if the win dow lock switch
is pressed. ( P.162)
 The auto power off function
will be operated if the vehicle
is left in ACC or ON (the
hybrid system is not operat-
ing) for a period of time.
( P.198)
 The seat belt reminder light is
flashing
Are the driver and the front passen-
ger wearing the seat belts?
( P.507)
 The parking brake indicator is
on
Is the parking br ake released?
(  P.205)
Depending on the situation,
other types of warning buzzer
may also sound. ( P.501, 511)
 Did anyone inside the vehicle
open a door during setting the
alarm?
The sensor detects it and the alarm
sounds. ( P. 8 2 )
Do one of the following to deac-
tivate or stop the alarms:
 Unlock the doors using the
entry function or wireless
remote control.
 Turn the power switch to ACC
or ON, or start the hybrid sys-
tem. (The alarm will be deacti-
vated or stopped after a few
seconds.)
 Is the message displayed on
the multi-information display?
Check the message on the multi-
information display. ( P.501)
 When a warning light turns on
or a warning message is dis-
The shift lever cannot be
shifted from P even if you
depress the brake pedal
The windows do not open
or close by operating the
power window switches
The power switch is
turned off automatically
A warning buzzer sounds
during driving
An alarm is a ctivated and
the horn sounds
A warning buzzer sounds
when leaving the vehicle
A warning light turns on
or a warning message is
displayed

Owners Manual_USA_M0C052_en
593Alphabetical Index
Alphabetical Index
A
A/C ........................................... 400Air conditioning filter ............. 479
Automatic air conditioning sys-tem ..................................... 400
Front seat concentrated airflow mode (S-FLOW) ................. 404
ABS (Anti-lock Brake System) ............................................... 374Warning light ........................ 503
Acoustic vehicle alerting system ................................................. 75
Active front spoiler ................ 388
Adaptive Variable Suspension System (AVS) ........................ 375
AHB (Automatic High Beam) . 214
AI-SHIFT .................................. 200
Air conditioning filter ............. 479
Air conditioning system ........ 400 Air conditioning filter ............. 479
Automatic air conditioning sys-tem ..................................... 400
Front seat concentrated airflow mode (S-FLOW) ................. 404
Air suspension ....................... 355
Airbags ...................................... 36 Airbag operating conditions.... 38
Airbag precautions for your child............................................. 41
Correct driving posture ........... 27
Curtain shield airbag operating conditions ............................. 39
Curtain shield airbag precautions ............................................. 41
Front passenger occupant clas- sification system ................... 46
General airbag precautions .... 41
Locations of airbags ............... 36
Modification and disposal of air- bags ..................................... 44
Side airbag operating conditions .............................................39
Side airbag precautions..........41
Side and curtain shield airbags operating conditions .............39
Side and curtain shield airbags precautions ...........................41
SRS airbags ...........................36
SRS warning light .................502
Alarm .........................................82 Warning buzzer ....................501
Ambient lights.........................410
Anchor brackets ... ..............55, 58
Antennas (smart key system)128
Anti-lock Brake System (ABS) ...............................................374Warning light.........................503
Approach warning ..................263
Armrest ......... ......................... ..425
Assist grips .............................425
Audio system-linked display ...98
AUTO LSD system ..................363
Automatic air conditioning sys- tem .........................................400
Automatic headlight leveling system ...................................212
Automatic High Beam ............214
Automatic light control system ............................................... 211
Automatic transmission.........200 If th e s hif t le ver ca n no t b e s hif te d from P .................................201
S mode .................................202
TOW HAUL switch................200
Auxiliary boxes .......................416
Average fuel economy .............97
Average vehicle speed .............98
AVS (Adaptive Variable Suspen- sion System) .........................375

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

Owners Manual_USA_M0C052_en
Alphabetical Index597
........................................... 499
If your vehicle becomes stuck ........................................... 538
If your vehicle has to be stopped in an emergency................. 494
If your vehicle needs to be towed ........................................... 497
If your vehicle overheats ...... 535
Engine ..................................... 542 ACC...................................... 198
Compartment ....................... 457
How to start the hybrid system........................................... 195
If the hybrid sy stem will not start
........................................... 524
If your vehicle has to be stopped in an emergency................. 494
Overheating.......................... 535
Power switch ........................ 195
Engine coolant ....................... 460 Capacity ............................... 544
Checking .............................. 460
Preparing and c hecking before
winter.................................. 395
Engine coolant temperature gauge....................................... 91
Engine oil Capacity ............................... 543
Checking .............................. 458
Warning light ........................ 502
Engine oil pressure gauge ...... 91
Engine switch (power switch)195 Auto 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
Enhanced Vehicle Stability Con- trol (Enhanced VSC) ............ 375
Enhanced VSC (Enhanced Vehi- cle Stability Control) ............ 375 EPS (Electric Po
wer Steering)
...............................................375 Warning light.........................503
Event data recorder (EDR) .........8
F
Flat tire.....................................515 Tire pressure w arning system
...........................................468
Floor mats .................................26
Fluid Automatic transm ission ........545
Brake ....................................546
Washer .................................462
Fog light Replacing light bulbs ............490
Switch ...................................214
Footwell lights ........................410
Four-wheel drive system .......361
Front fog light Replacing light bulbs ............490
Front passenger occupant clas- sification system ....................46
Front seats ..............................133 Adjustment ...........................133
Cleaning ...............................445
Correct driving posture ...........27
Driving position memory .......137
Head restraints .....................140
Memory recall function .........139
Power easy access system ..137
Seat heaters ....... ..................407
Seat position memory...........137
Seat ventilators.....................407
Front tray light ........................410
Front turn signal lights ..........204 Turn signal lever ...................204
Front turn signal/parking lights Replacing light bulbs ............490
Wattage ................................548
Fuel Capacity ...............................542

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