2023 TOYOTA TUNDRA HYBRID trailer

5087-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
■Air suspension malfunction indicator
■Trailer brake warning light
■Warning buzzer
In some cases, the buzzer may not
be heard due to being in a noisy
location or audio sound.
■Front passenger detection sen-
sor, seat belt reminder and
warning buzzer
●If luggage is placed on the front
passenger seat, the front passen-
ger detection sensor may cause
the warning light to flash and the
warning buzzer to sound even if a
passenger is not sitting in the
seat.
●If a cushion is placed on the seat,
the sensor may n ot detect a pas-
senger, and the warning light may
not operate properly.
■SRS warning light
This warning light system monitors
the airbag sensor assembly, front
impact sensors, side impact sensors
(front door), side impact sensors
(front), side impact sensors (rear),
driver’s seat position sensor,
driver’s seat belt buckle switch, front
passenger occupant classification
sensors, “AIR BAG ON” indicator
light, “AIR BAG OFF” indicator light,
front passenger’s seat belt buckle
switch, seat belt pretensioners, air- bags, interconnecting wiring and
power sources. (
P. 3 7 )
■If the malfunction indicator
lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel ta nk cap loose?
If it is, tighten it securely.
The light will go off after several
driving trips.
If the light does not go off even after
several trips, con tact your Toyota
dealer as soon as possible.
■Electric power steering system
warning light (warning buzzer)
When the 12-volt battery charge
becomes insufficient or the voltage
temporarily drops, the electric power
steering system warning light may
come on and the warning buzzer
may sound.
■When the tire pressure warning
light comes on
Inspect the tires to check if a tire is
punctured.
If a tire is punctured: P. 5 1 5
If none of the tires are punctured:
Warning lightDetails/Actions
(If equipped)
Indicates a malfunction in the air suspension system
 Have the vehicle inspecte d by your Toyota dealer
immediately.
Warning lightDetails/Actions
Indicates a malfunction in:
 Trailer brake control system; or
 Trailer connector circuit
 Have the vehicle inspecte d by your Toyota dealer
immediately.

5237-2. Steps to take in an emergency
Owners Manual_USA_M0C052_en
7
When trouble arises
WARNING
■When the spare tire is
attached
The vehicle speed may not be
correctly detecte d, and the follow-
ing systems may not operate cor-
rectly:
• ABS & Brake assist
• VSC
• TRAC
• AUTO LSD (if equipped)
• PCS (Pre-Collision System)
• Automatic High Beam (if equipped)
• LTA (Lane Tracing Assist)
• Dynamic radar cruise control with full-speed range
• EPS
• Trailer Sway Control
• Tire pressure warning system
• BSM (Blind Spot Monitor)
• Panoramic view monitor (if equipped)
• Multi-terrain Monitor (if equipped)
• Toyota parking assist monitor (if equipped)
• Intuitive parking assist
• PKSB (Parking Support Brake)
• Navigation system (if equipped)
Also, not only can the following
system not be utilized fully, but it
may even negatively affect the
drive-train components:
• 4WD system (if equipped)
■Speed limit when using the
temporary spare tire
Do not drive at speeds in excess
of 50 mph (80 km/h) when a tem-
porary spare tire is installed on
the vehicle.
The temporary spare tire is not
designed for driving at high
speeds. Failure to observe this
precaution may lead to an acci-
dent causing death or serious
injury.
NOTICE
■Do not drive the vehicle with
a flat tire
Do not continue driving with a flat
tire.
Driving even a short distance with
a flat tire can damage the tire and
the wheel beyond repair.
■Driving with tire chains and
the temporary spare tire
Do not fit tire chains to the tempo-
rary spare tire.
Tire chains may damage the vehi-
cle body and adversely affect driv-
ing performance.
■When stowing the flat tire
Ensure that ther e is no object
caught between t he tire and the
vehicle underbody.
■When replacing the tires
When removing or fitting the
wheels, tires or th e tire pressure
warning valve and transmitter,
contact your Toyota dealer as the
tire pressure warning valve and
transmitter may be damaged if not
handled correctly.

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

600Alphabetical Index
Owners Manual_USA_M0C052_en
........................................... 214
Cargo lamp........................... 411
Fog light switch .................... 214
Headlight switch ................... 211
Interior lights................. 410, 411
Personal lights...................... 411
Replacing light bulbs ............ 490
Trailering light ....................... 158
Turn signal lever ................... 204
Vanity lights .......................... 431
Wattage ................................ 548
LTA (Lane Tracing Assist) ...... 242 Operation ............................. 242
Warning lights....................... 504
Warning messages............... 252
Luggage compartment features ............................................... 417Bed hooks ............................ 417
Deck divider ......................... 417
M
Maintenance Do-it-yourself maintenance .. 454
General maintenance ........... 449
Maintenance data................. 540
Maintenance requirements... 448
Malfunction indicator lamp.... 502
Manual headlight leveling dial ............................................... 213
Menu icons ............................... 96
Meter Boost Meter ............................ 94
Clock ...................................... 91
Engine oil pressure gauge ..... 91
Hybrid Power Meter ............... 94
Indicators................................ 89
Instrument panel light control . 94
Meter control switches ........... 96
Meters .................................... 91
Multi-information display ........ 95
Pitch and roll gauges.............. 94
Settings .................................. 99 Tow gauges ............................94
Voltmeter ................................91
Warning lights .................87, 501
Warning messages ............... 511
Meter control switches.............96
Mirrors Digital Rear-view Mirror ........146
Inside rear view mirror ..........145
Outside rear view mirror defog-gers ....................................401
Outside rear view mirrors .....155
Vanity mirrors........................431
Mode select switch TOW HAUL switch................203
Multi-information display .........95
Audio system-linked display ...98
Changing the display ..............96
Driving information display .....97
Dynamic radar cruise control with full-speed range ..........256
Fuel economy .........................97
Hybrid System Indicator .........97
Intuitive parking assist ..........274
LTA (Lane Tracing Assist) .....248
Menu icons .............................96
Meter control switches............96
Navigation system-linked display .............................................98
Settings ..................................99
Tire pressure ...... ..................468
Trailer settings ......................100
Vehicle information display .....98
Warning messages ............... 511
Multi-terrain Monitor...............344 Automatic display mode .......347
Camera switch......................344
Function................................345
Menu button .........................345
Multi-terrain Monitor precautions...........................................354
Screen display and functions347
Things you should know .......354

Owners Manual_USA_M0C052_en
Alphabetical Index605
Tire pressure warning reset switch ................................. 471
TOW HAUL switch ............... 203
Trailer brake cont rol switch .. 380
Trailering light switch ............ 158
Vehicle-to-vehicle distance switch ................................. 256
VSC OFF switch................... 376
Window lock switch .............. 162
Windshield defogger switch . 401
Windshield wiper and washer switch ................................. 218
Windshield wiper de-icer switch ........................................... 405
T
Tail lights Light switch .......................... 211
Replacing light bulbs ............ 490
Tailgate .................................... 120 Removing the tailgate .......... 122
The Secondary Collision Brake ............................................... 375
Theft deterrent system Alarm ...................................... 82
Immobilizer system ................ 81
Tire inflation pre ssure............ 476
Maintenance data................. 547
Tire inflation pressure display function............................... 468
Warning light ........................ 506
Tire information ...................... 551 Glossary ............................... 555
Size ...................................... 552
Tire identification number ..... 552
Uniform Tire Quality Grading 553
Tire pressure display ............. 468
Tire pressure warning system ............................................... 468Function ............................... 468
Initializing ............................. 470
Installing tire pressure warning valves and transmitters ......470
Registering ID codes ............472
Selecting wheel set ..............474
Warning light.........................506
Tires .........................................466 Chains ..................................397
Checking ..............................466
If you have a flat tire .............515
Inflation pressure ..................476
Information ......... ..................551
Replacing .............................515
Rotating tires ........................468
Size ......................................547
Snow tires.............................395
Tire inflation pressure display function ...............................468
Tire pressure w arning system
...........................................468
Warning light.........................506
Tools ........................................515
Top tether strap ........................58
Tow gauges ...............................94
TOW HAUL switch ..................203
To w i n g Dinghy towing .......................194
Emergency towing ................497
Trailer Backup Guide ............383
Trailer settings ......................100
Trailer towing ...... ..................181
Toyota parking assist monitor ...............................................297Distance guide line display mode ...........................................302
Driving precautions ...............297
Estimated course line display mode ..................................300
Parking assist guide line display mode ..................................301
Screen display ......................298
Things you should know .......307
Toyota parking assist monitor precautions .........................302

606Alphabetical Index
Owners Manual_USA_M0C052_en
Using the system.................. 299
Toyota Safety Sense 2.5 ........ 225 AHB (Automatic High Beam) 214
Dynamic radar cruise control with full-speed range .......... 256
LTA (Lane Tracing Assist) ..... 242
PCS (Pre-Collision System) . 230
RSA (Road Sign Assist) ....... 253
TRAC (Traction Control) ........ 375
Traction battery (hybrid battery) ................................................. 76Hybrid battery (traction battery) air intake vents ..................... 79
Location.................................. 76
Specification ......................... 543
Warning message .................. 79
Traction Control (TRAC) ........ 375
Traction motor (electric motor)73 Specification ......................... 543
Trailer Backup Guide ............. 383 Canceling the system ........... 386
Precautions .......................... 387
Procedure............................. 383
Setup (Calibration) ............... 384
Trailer hitch light ................... 386
Using Guidance mode.......... 385
Using Straight Path Assist .... 385
Trailer brake ............................ 380
Trailer brake controller .......... 380 Trailer settings ...................... 100
Trailer hitch light ............ 386, 410 Replacing light bulbs ............ 490
Trailer settings ........................ 100
Trailer Sway Control .............. 375
Trailer towing .......................... 181 Trailer Backup Guide............ 383
Trailer settings ...................... 100
Trailering light Replacing light bulbs ............ 490
Transfer ................................... 545
Transmission Automatic transmission ........ 200 Trip meters ................................93
Turn signal lights ....................204
Replacing light bulbs ............490
Turn signal lever ...................204
U
USB charging ports ................420
V
Vanity lights ............................431
Vanity mirrors .........................431
Vehicle capacity weight .........541
Vehicle data recording ...............7
Vehicle identification number541
Vehicle information display .....98
Ventilators (seat ventilators) .407
Voltmeter ...................................91

Owners Manual_USA_M0C052_en
Alphabetical Index607
W
Warning buzzersApproach warning ................ 263
Brake hold ............................ 506
Brake Override System ........ 505
Brake system ....................... 501
Charging system .................. 502
Downshifting......................... 203
Drive-Start Control ............... 505
Electric power steering ......... 503
Engine .................................. 502
Hands off steering wheel warn-ing (LTA) ............................. 251
Hybrid system ...................... 502
Intuitive parking assist .. 280, 504
Low engine oil pressure ....... 502
LTA (Lane Tracing Assist) ... 242, 246, 504
Open door .................... 114, 116
Open window ....................... 161
PCS (Pre-Collision System) . 503
PKSB (Parking Support Brake) ........................................... 504
Pre-collision braking ............. 230
Pre-collision warning ............ 230
RCTA (Rear Cross Traffic Alert) ................................... 282, 505
Seat belt ............................... 507
SRS airbag ........................... 502
Vehicle sway warning function (LTA) ................................... 252
Warning label ............................ 76
Warning lights .................. 87, 501 ABS ...................................... 503
Air suspension malfunction indi-cator ................................... 508
Brake hold operated indicator ........................................... 506
Brake Override System ........ 505
Brake system ....................... 501
Charging system .................. 502 Drive-Start Control
................505
Electric power steering .........503
High coolant temperature .....501
Hybrid system .......................502
Intuitive parking assist OFF indi- cator ...................................504
Low engine oil pressure .......502
Low fuel level........................507
LTA indicator .........................504
Malfunction indica tor lamp ....502
Parking brake indicator.........506
PKSB OFF indicator .............504
Pre-collision syst em .............503
RCTA OFF indicator .............505
Rear differential lock indicator ...........................................506
Seat belt reminder light ........507
Slip indicator .........................505
SRS airbag ...........................502
Tire pressure ...... ..................506
Trailer brake warn ing light ....508
Warning messages ................. 511
Washer .....................................218 Adding ..................................462
Preparing and checking before winter ..................................395
Switch ...................................218
Washing and waxing ..............442
Weight Cargo capacity .....................180
Load limits ............................180
Wheel lock nut ........................516
Wheels .....................................478 Replacing .............................478
Size ......................................547
Wheel lock nut ......................516
Window lock switch ...............162
Windows Power back window..............163
Power windows ....................160
Rear window defogger .........401
Washer .................................218