cruise control TOYOTA TUNDRA 2023 Owner's Manual

2834-5. Using the driving support systems
4
Driving
WARNING
■To avoid operating the cruise control by mistake
Switch the cruise control off using the “ON-OFF” button when not in use.
■ Situations unsuitable for cruise control
Do not use cruise control in any of the following situations.
Doing so may result in loss of control and could cause an accident resulting
in death or serious injury.
● In heavy traffic
● On roads with sharp bends
● On winding roads
● On slippery roads, such as those covered with rain, ice or snow
● On steep hills
Vehicle speed may exceed the set speed when driving down a steep hill.
● When your vehicle is towing a trailer or during emergency towin g

3104-5. Using the driving support systems
Manual transmission
Before using the rear differential lock system.
Stop the vehicle or reduce your speed to less than 2 mph (3 km/h ).
Depress the clutch pedal and turn the front-wheel drive control
switch in the “4L” position to see if this is sufficient. If th is has no
effect, additionally use the re ar differential lock system.
Be sure to stop the wheels.
Depress the clutch pedal.
Press the rear differential lock switch.
After the rear differential is locked, the indicator will come on.
Slowly release th e clutch pedal.
Unlock the rear differential as soon as the vehicle moves.
To unlock the rear different ial, press the switch again.
■Locking the rear differential
●When the rear differential is locked, VSC is automatically turn ed off.
(The rear differential lock and VSC off indicators come on.)
● The following systems do not operate when the rear differential is locked. It
is normal operation for the ABS warning light and VSC off indic ator to be on
at this time.
•ABS
• Multi Terrain ABS (if equipped)
• Brake assist system
•VSC
•TRAC
• Pre-Collision System (if equipped)
• Dynamic radar cruise control system (if equipped)
• Cruise control system (if equipped)
• Hill-start assist control (if equipped on 4WD models)
■ The rear differential lock is disengaged when
●Vehicles without a smart key system: When the engine switch is turned to
the “LOCK” position
● Vehicles with a smart key system: When the engine switch is tur ned off
● 4WD models only: Turn the front-wheel drive control switch to “ 2WD” or “4H”
position.
Never forget to turn off the switch after using this feature.
1
2
3
4
5

4927-2. Steps to take in an emergency
(If equipped)
Indicates a malfunction in the cruise control sys-
tem.Press the “ON-OFF” button once to deactivate
the system, and then press the button again to
reactivate the system.
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
(If equipped)
Indicates a malfunction in the dynamic radar
cruise control system.
Press the “ON-OFF” button once to deactivate
the system, and then press the button again to
reactivate the system.
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
Indicates a malfunction in the Brake Override
System. A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
(2GR-FKS engine only)
Indicates that the engine oil level is low.
A buzzer also sounds.
 Check the level of engine oil, and add if
necessary.
This message may appear if the vehicle is
stopped on a slope.
Move the vehicle to a level surface and
check to see if the message disappears.
Warning messageDetails/Actions

5027-2. Steps to take in an emergency
(If equipped)
Indicates that the pre-collision system sensor is
dirty, covered with ice, etc.
Remove any dirt, ice, etc.
(If equipped)
Indicates a malfunction in:
• The automatic headlight leveling system; or
• The Automatic High Beam system.
A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer.
(If equipped)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
Turn the high beam on and press the Auto-
matic High Beam switch again.
(If equipped)
Indicates that rader cruise control sensor is dirty
or covered with ice.
A buzzer also sounds.
 Clean the sensor.
Warning messageDetails/Actions

5037-2. Steps to take in an emergency
7
When trouble arises
*1: The buzzer sounds when Multi-terrain Select or active traction control is
equipped.
*2: Refer to the separate “Scheduled Maintenance Guide” or “Owner’ s Manual
Supplement” for the maintenance interval applicable to your veh icle.
(If equipped)
Indicates that the dynamic radar cruise control
system cannot be used temporarily due to bad
weather.
A buzzer also sounds.
 Use the dynamic radar cruise control sys-
tem when it becomes available again.
Indicates a malfunction in the Drive-Start Control. A buzzer also sounds.
 Have the vehicle inspected by your Toyota
dealer immediately.
Indicates that the shift position was changed and
Drive-Start Control was operated while depress-
ing the accelerator pedal. A buzzer also sounds.
 Momentarily release the accelerator pedal.
Warning messageDetails/Actions
(Flashes)

5047-2. Steps to take in an emergency
■Warning message in radar cruise mode (if equipped)
In the following cases, the warning message may not be displayed even if
vehicle-to-vehicle distance decreases:
● When your vehicle and the vehicle ahead are traveling at the sa me speed or
the vehicle ahead is traveling more quickly than your vehicle
● When the vehicle ahead is traveling at a very low speed
● Immediately after cruise control speed is set
● At the instant the accelerator pedal is depressed
■
Conditions that the tire pressure warning system may not functi on
properly (vehicles with the tire pressure warning system)
P. 436
■ Warning buzzer
P. 486

5247-2. Steps to take in an emergency
WARNING
■When using the temporary spare tire
●Remember that the temporary spare tire provided is specifically
designed for use with your vehicle. Do not use your temporary spare
tire on another vehicle.
●Do not use more than one temporary spare tires simultaneously.
●Replace the temporary spare tire with a standard tire as soon a s possi-
ble.
●Avoid sudden acceleration, abrupt steering, sudden braking and shift-
ing operations that cause sudden engine braking.
■When the spare tire is attached
The vehicle speed may not be co rrectly detected, and the following sys-
tems may not operate correctly:
Also, not only can the following system not be utilized fully, but it may
even negatively affect the drive-train components:
• 4WD system
■Speed limit when using th e temporary spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a temporary
spare tire is installed on the vehicle.
The temporary spare tire is not designed for driving at high sp eeds. Fail-
ure to observe this precaution may lead to an accident causing death or
serious injury.
• ABS & Brake assist
• VSC
• TRC
• AUTO LSD
• Dynamic radar cruise control
(if equipped)
• Pre-Collision System (if equipped)
• Automatic High Beam (if equipped)
• LDA (Lane Departure Alert) (if
equipped)
• Hill-start assist control
(if equipped)
• Cruise control (if equipped)
• Active traction control system (if equipped)
• Multi Terrain ABS (if equipped)
• Multi-terrain Select (if equipped)
• Crawl Control (if equipped)
• Navigation system (if equipped)

602Alphabetical index
Child safety ................................ 53Airbag precautions .................. 39
Battery precautions ............... 533
Child restraint system ............. 54
How your child should wear the seat belt ................. 32
Installing child restraints ......... 58
Moon roof precautions .......... 165
Power back window precautions ......................... 161
Power window lock switch .... 156
Power window precautions ... 158
Rear door child-protector ...... 123
Removed wireless remote control/electronic key
battery precautions ............. 453
Seat belt extender precautions ........................... 35
Seat belt precautions .............. 57
Seat heater precautions........ 351
Child-protectors....................... 123
Cleaning ........................... 402, 406 Aluminum wheels.................. 403
Exterior ................................. 402
Interior................................... 406
Seat belts .............................. 407
Clock
*
Compass .................................. 397
Condenser ................................ 425
Console box ............................. 358
Consumption screen ....... 103, 109
Cooling system ........................ 423 Capacity ................................ 547
Checking ............................... 423
Engine overheating ............... 534
Preparing and checking before winter....................... 329 Crawl Control ........................... 318
CRS ............................................. 54
Cruise control
Cruise control ....................... 280
Dynamic radar cruise control ................................ 266
Cup holders ............................. 359
Curtain shield airbags............... 37
Customizable features ............ 568
Daytime running light system.................................... 222
Deck hooks .............................. 367
Defogger Outside rear view
mirrors ........................ 340, 347
Windshield .................... 340, 347
Differential................................ 548
Dimensions .............................. 540
Dinghy towing.......................... 201
Display
Drive information .................. 103
Dynamic radar cruise control ................................ 266
LDA (Lane Departure Alert) ....... 258
Multi-information display ....... 102
Warning message................. 489
Do-it-yourself maintenance .... 415
Door lock Doors .................................... 119
Key ....................................... 119
Smart key system ................. 120
Wireless remote control ........ 119
D

603Alphabetical index
Doors ........................................ 119Automatic door locking and unlocking system ................ 123
Door lock............................... 121
Door windows ....................... 156
Open door warning message ............................. 495
Outside rear view mirrors...... 154
Rear door child-protector ...... 123
Drive-Start Control .................. 170
Driving ...................................... 168
Break-in tips .......................... 171
Correct driving posture ........... 28
Driving assist system ............ 323
Procedures ........................... 168
Winter drive tips .................... 329
Dynamic radar cruise control .................................... 266 Constant speed control
mode .................................. 275
Vehicle-to-vehicle distance control mode....................... 273
EDR (Event data recorder) ........ 11
Electronic key .......................... 112 Battery-saving function ......... 133
If the electronic key does not operate properly ................. 528
Replacing the battery ............ 451 Emergency, in case of
If a warning buzzer sounds................................ 482
If a warning light turns on ..... 482
If a warning message is displayed ............................ 489
If the electronic key does not
operate properly ................. 528
If the engine will not start ...... 526
If the vehicle is submerged or water on
the road is rising ................. 475
If the vehicle battery is
discharged.......................... 530
If you have a flat tire ............. 511
If you think something is wrong ............ 480
If your vehicle becomes stuck ................................... 536
If your vehicle has to be stopped in an emergency ... 473
If your vehicle needs
to be towed......................... 476
If your vehicle overheats....... 534
E
*: For vehicles with Audio Plus or Premium Audio, refer to the “ NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”

607Alphabetical index
License plate lightsLight switch ........................... 220
Replacing light bulbs............. 467
Wattage ................................ 553
Light bulbs Replacing .............................. 458
Wattage ................................ 553
Lights Automatic High Beam ........... 224
Cargo lamp switch ................ 355
Center tray light .................... 353
Engine switch light (ignition switch light) ........... 353
Fog light switch ..................... 229
Headlight switch.................... 220
Illuminated entry system ....... 355
Interior lights ......................... 354
Interior lights list .................... 353
Personal lights ...................... 354
Replacing light bulbs............. 458
Turn signal lever ................... 218
Vanity lights .......................... 374
Wattage ................................ 553
Load capacity........................... 182
Lock steering column ............. 149
Luggage compartment features .................................. 364
Luggage storage box .............. 361
Maintenance
Do-it-yourself maintenance ... 415
General maintenance ........... 411
Maintenance data ................. 540
Maintenance requirements ... 409
Resetting the maintenance required remainder light
or message........................ 410 Malfunction indicator lamp..... 482
Manual air conditioning
system.................................... 338
Manual transmission............... 216
Master warning light ....... 483, 489
Meter Indicators ................................ 95
Instrument panel light
control .................................. 99
Meters..................................... 98
Multi-information display ....... 102
Warning lights ......................... 93
Warning message................. 489
Meter control switches ........... 103
Mirrors Inside rear view mirror .......... 151
Outside rear view
mirror defoggers ......... 340, 347
Outside rear view mirrors ..... 154
Vanity mirrors ....................... 374
Moon roof ................................. 162 Jam protection function ........ 163
Operation .............................. 162
Multi-information display........ 102 Customizing vehicle
features .............................. 105
Driving information................ 103
Dynamic radar cruise control ................................ 266
LDA (Lane Departure Alert) ....... 258
Navigation system-linked...... 102
Settings display .................... 105
Switching the display ............ 103
Warning message................. 489
Multi Terrain ABS .................... 323
Multi-terrain Select .................. 314
M
*: For vehicles with Audio Plus or Premium Audio, refer to the “ NAVIGA-
TION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”